Climbing difficulty scale conversion. Bouldering grades are the Easily convert climbing grad...

Climbing difficulty scale conversion. Bouldering grades are the Easily convert climbing grades with this comprehensive chart. Yds To V Scale: Understanding Climbing Grade Conversions By Jake November 23, 2025 Climbers often face confusion when trying to compare roped Weitere Informationen zu Schwierigkeitsgraden, Bewertungskontexten, pro Land verwendeten Bewertungssystemen, Absicherungsbewertungen, universeller I don’t recommend that you blindly trust this table – there can be differences from country to country or even between climbing areas. Understanding 5. 13a in difficulty. Discover the definitive guide to bouldering grades. But grades aren’t always straightforward. Below is a chart to help Understanding Climbing Grades For climbers, understanding the different grading systems can be a daunting task. If you want to understand the differences and switch from a grading system to another, here is an easy Whether rock climbing, mountaineering, or another climbing practice, climbing grades correspond to the difficulty and danger level of a designated area. S. In this article, you’ll learn how 7b+ compares across different systems, why the The 6A bouldering grade is about the same as a V3 on the Hueco scale or a 5. This offers more granularity in the The 5. V scale bouldering grades Hybrid bouldering grades What are bouldering grades? Bouldering grades, and climbing grades in general, are systems of numbers (or Climbing grades, also known as ratings, are a system used to estimate the difficulty of a climb. Understanding the different Understanding climbing grades is essential for safe & successful rock, ice & alpine climbs. Done done and done. Understanding the differences between these climbing When planning to climb a new boulder or mountain, it is essential to ascertain the degree of climbing difficulty. Converting between Als Schwierigkeitsskala bezeichnet man beim Klettern und Bergsteigen eine Skala aus (arabischen oder römischen) Zahlen und/oder Buchstaben, mit der sich die If you're at all interested in cycling uphill you would have heard people refer to a climb's gradient (or steepness) as a percentage. Together with the rock climbing community theCrag has developed and continues to develop a comprehensive and intuitive coverage of grades in the system. VI (exceptionally difficult) - vertical and overhanging rocks or with few holds, cracks, stances etc. If you want to understand the differences and switch from a grading system to another, here is an easy Grading systems in climbing Climbing grades can be a bit confusing sometimes. Exact difficulty can vary by style, wall angle, and setter. 8 VS 16 5b VI- Various climbing grade systems exist worldwide with different scales and meanings. Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! Climbing, like many sports, has its own metrics for measuring difficulty. 43 % Score 36 Votes Confused by YDS, French, UIAA sport climbing grades? Our global comparison gives a clear understanding for international climbs. Read now! Complete guide to climbing grades with conversion charts. Knowing how one method relates to another is sometimes difficult. Converting 6b to the V Scale When you start moving between bouldering gyms or outdoor spots in different countries, you might see both the Font scale and the V scale on the same wall; . Infos zu Schwierigkeitsgrade beim Sportklettern, Bouldern, Eisklettern & Techn. 5 4a VD 13 Beginner ↓ 4b IV+ 5. This allows you to have a good overview of the skills required. Find trusted mountain guides and expedition companies with verified reviews Gym to Outdoor Bouldering Grade Conversion Chart Illustation: Claire Eckstrom Low-end Bouldering Grades V0 There are basically no gym-level V0s When you’re rock climbing or bouldering, knowing precisely how difficult a particular course is can be the difference between having a great time or being seriously When you’re rock climbing or bouldering, knowing precisely how difficult a particular course is can be the difference between having a great time or being seriously Bergzeit GmbH V-Scala/USA (Bouldern) V0 V1 V2/V3 V4/V5 V6 V6/V7 V7 V8/V9 V9/V10 V11 V12 V13 V14 V15 V16 V17 Full alpine and rock equipment required. French vs UK trad vs UIAA vs YDS vs Ewbank — with interactive visual chart and Europe grade map. 10b grade exists within the Yosemite Decimal System for rope climbing, while the V Scale measures bouldering difficulty. Understanding the different grading systems & the factors Convert a climbing grade with ease To convert grades, enter the grade into the input, select the grade system (french, yosemite, v-scale) and hit "convert" Climbing & Bouldering Scale Converter for Trad Grade, UIAA, French Sport Grade, American Scale More info on the grades of sport climbing, bouldering, ice Wondering how climbs are graded by setters? Or maybe you want to learn what V means in bouldering. Levels of difficulty in free climbing In free climbing, the climber overcomes difficulties using only the support of his hands Rock Climbing Grade Conversion Chart There are several methods of grading how difficult a climb is. 10, etc. Knowing how to However, for the most part, the difficulties can be understood on a fairly linear scale to that of rock climbing, with M1 being equivalent to a 5. Simply put, a climbing grade describes the difficulty of the terrain on the route. That’s why we created the free climbing grade Complete guide to climbing grades with conversion charts. 4 3c 12 4a IV 5. This formula, developed by Having climbed in the USA, South Africa, Australia and New Zealand, my experience is that grade conversion sheets are really only accurate to +/- 3 grade increments. As rock climbing areas proliferated Common Challenges with Climbing Grade Conversions Inconsistencies Between Grading Systems When it comes to climbing grade conversions, one of the most common challenges that Discover the full climbing grade conversion chart and learn how the most common international grading systems compare: French, YDS, UIAA, British, and Australian/Ewbank scales. 17 really just reflects how popular bouldering is in Australia. How is a climbing route graded? 1. Klettern To a first approximation, every climbing nation set up their own system. This tool maps grades using commonly accepted equivalencies from indoor gyms, guidebooks, and international climbing standards. Please visit them on the web at www. IMPORTANT – Below is a very rough table and it is impossible to provide an accurate conversion between technical difficulty of the hardest climbing – a sport Find rock climbing routes, photos, and guides for every state, along with experiences and advice from fellow climbers. But that did not stop climbers around the world from trying. , Elbsandstein, UK Trad, Sierra u. Bouldering grades stand as a universal metric, offering climbers a standardized means to assess the difficulty of boulder problems, whether Simply put, rock climbing grades describe the difficulty of a route. These three grading systems measure different That chart (the Rock and Ice one) is pretty much how it is in the region that I climb in (Southern California). Grades are used in rock climbing gyms and outdoors. Climbing Grade Converter Select a grade from a list instead? If you’re trying to understand how the Font grade 7b compares to the V Scale, the quick answer is: 7b is about the same as V8 or 5. Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! The scale ranges from 1 to 5, with vertical pitches ranking at a 5-level difficulty with a decimal addition. Bouldering V-Scale Note. Each system has its The Yosemite Decimal System is a detailed rating system that notifies hikers and climbers of the difficulty of a hike or climb. requiring mainly aid climbing. Learning climbing grades takes time. Imagine traveling overseas to climb and you find a Hiking Difficulty Scale The Hiking Difficulty Scale on TrailsNH is determined by a numerical value known as the Difficulty Rating, which measures a hike's level of challenge. As a beginner rock climber or foreign climber Sport climbing is practiced globally, and various difficulty grading systems exist, varying by location and the type of climbing practiced. The main use of assigning route difficulty is to help other climbers judge whether it is suitable for their level. Use Rab’s interactive tool to understand global climbing difficulty scales There are grade systems for bouldering, grade systems for sport climbing, grade systems for aid climbing and so on but even grade systems for the same style Everything you ever wanted to know about bouldering grades in one place, including a bouldering grade conversion chart from the V Scale to Font Scale. Understanding the Convert climbing grades between V-scale bouldering, Yosemite Decimal, French sport, UK, UIAA and Australian systems to compare route difficulty instantly. Website Description Climbing Grades Explained Tuesday 10th December 2019 by Neil Gresham It is one of the oldest topics of discussion Convert climbing grades instantly between V-Scale, Font, French, YDS, UK and UIAA for bouldering, sport, and trad climbing. This bouldering grades comparison table is designed to help climbers convert from Hueco to French and back to French to V-Scale. From V0 to V15, unlock the secrets of difficulty ratings and elevate your climbing game. Accurate conversion table for rock climbing and bouldering. It is important to find out in advance what the conditions and requirements are for the ascent to be climbed. Beyond the easiest grades, the two systems can be almost exactly aligned in comparison tables. 9, considered at the time the most difficult unaided Rock climbing and bouldering use different grading systems to measure difficulty. I had a hard time finding a chart online that converts the Sherman V-grade system for bouldering into the Yosemite Decimal System for climbing. Rock climbing grades are used to describe the difficulty of climbing routes. Speaking about rock climbing Easily convert climbing grades across systems like YDS, French, UIAA, British, and more. Convert North American climbing grades to UK and European scales, and compare bouldering V-grades to roped climbs. Learn your grades and apply them to your What's the difference between bouldering grades? The Font Scale, V Scale, what else? We explain everything in our review. In addition to the levels of difficulty for via ferratas, there are Understanding the Yosemite Decimal System: A Guide to Rock Climbing Grades in North America. The V scale is the most widely used grading scale for bouldering in the U. This converter helps climbers understand equivalent difficulty across different grading systems used in different Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! The French Alpine grading system is unique in that rather than quantifying the difficulty numerically, it uses a broader “adjectival” system to record difficulty, length, altitude, and seriousness of the climb Understanding Climbing Grades Before we jump into the conversion, it's crucial to understand the different grading systems used in bouldering and sport climbing. Although bolted sport climbs tend to be given a single French grade, traditional climbs in Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American gym, outside on rock, or climbing overseas. Rock climbing grades are subjective. The 9b+ Knowing grade conversions helps climbers match routes to their ability. The goal is to reach the top of a boulder problem or route. Every climbing route you attempt will always We also have a Grades comparison table for converting between different grading system used around the world. Amongst many other Ah, climbing grades. Sometimes Five classes of climbing difficulty The Yosemite Decimal System consists of five general classes, the fifth being subdivided with a decimal notation, but it is generally accepted that some ratings are too high Learn how to convert climbing grades between different systems, including US to UK/Euro grades and 5. This lead climbing grades comparison table is designed to help climbers convert from YDS to French and back to French to Yosemite. Maybe Climbing Grade Conversion: 9c to V Scale A 9c route represents the highest level of difficulty in the sport climbing scale, while the V scale measures Conversion tables of climbing grades Conversion tables of climbing grades Corax Save Add photos See all photos 45784 Hits 91. Find out how to convert the V scale and more Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. The grading systems Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American Bouldering grades are a common language that represents the difficulty of a boulder problem. Free rock climbing grade converter. 11c in route climbing. 11 to V Scale Grade Conversion The Yosemite Decimal System rates roped climbing routes while the V Scale measures boulder How to use climbing grades effectively To effectively use climbing grades, it’s important to first understand the grading system used in the area you Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American gym, outside on rock, or climbing overseas. In Russian grading system of both climbing and pass-hopping routes, the single obstacle has the grade calling "Category of Difficulty" (CD, "Kategoriya Trudnosti"). On this page you’ll find a clear comparison table of the five most widely used systems, with each Download climbing grades table (PDF) for your mobile! Climbers mainly use two rating systems for rope climbing, according to geographical location: FRENCH scale and YDS. I dont even really get the comparison For roped climbing or 'sport', the system is a little different: FRENCH SPORT GRADES Also called the 'French Numerical System', this scale is used to indicate the difficulty of a roped By converting grades, climbers receive a more fair and accurate perspective on the difficulty of a route. The 9b+ Understanding 9b+ to V Scale Conversion Climbers use multiple grading systems to describe difficulty, and comparing them helps relate roped routes to bouldering problems. If you’re wondering how 8A+ converts to the V Scale or the Yosemite Decimal System, the short answer is: 8A+ equals V12 and roughly 5. Grading systems in climbing Climbing grades can be a bit confusing sometimes. It is a tough thing to measure. On another note, why does everyone want to convert V grades to YDS? I've never understood that. But the role of climbing grades stretches beyond mere progress tracking. With various rating systems used around the world, it's essential to have a climbing Kletterskalen Umrechner für UIAA, Frz. Below you'll find a comprehensive explanation of the different climbing rating systems. This is where climbing grades become useful. 13b on the YDS. Ratings used internationally today include no less than seven Bringing Clarity to the Numbers Climbing Grade Conversion In climbing, grades are used to reflect the technical difficulty, risk, and commitment level of a route. They serve as a guideline to help climbers decide whether a particular route aligns with their Understanding the 12a to V Scale Conversion Climbers often want to compare rope climbing grades using the Yosemite Decimal System (YDS) with bouldering grades on the V scale. When climbers discuss climbing roped climbing routes, the difficulty rating of the climb is often considered essential information. It ranges from V0 for novice climbers to V17 for the most difficult elite-level boulder problems. As such There are several grading systems used around the world to describe rock climbing difficulty. The two main boulder grading systems are the French Font-grade and the American V-grade systems. Let's look at the basics of what these numbers and letters mean. Tabelle: Schwierigkeiten beim Bouldern Beim Bouldern haben sich beim Bestimmen der Schwierigkeitsgrade einer Route vor allem die französische Also, the Font scale uses plus (+) modifiers to denote subtle increases in difficulty that don’t warrant a full number jump. The difficulty of climbing (sport or traditional), boulder, ice or mixed routes is described using a difficulty scale. The system Google "climbing grade conversion chart". Find rock climbing routes, photos, and guides for every state, along with experiences and advice from fellow climbers. Using Grades to Improve Climbing Mountaineering grading systems are different scales used to measure the level of difficulty of a given mountain ascent. The scale begins at V0 and currently extends to V17, allowing for the classification of increasingly difficult climbs. There a several different grading systems used to determine climbing grades. Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Each grade reflects the perceived difficulty of completing a Understanding 9b+ to V Scale Conversion Climbers use multiple grading systems to describe difficulty, and comparing them helps relate roped routes to bouldering problems. 13d, you’re in the right place. A route beyond your skill level can be more than just frustrating—it can However, a route’s sustained difficulty and length make direct conversion imperfect. Bouldering The V-scale, widely used in the United States, ranks problems from V0 (easiest) to V16 (most difficult). National Climbing Classification System (USA): NCCS grades, often A clear guide to climbing grade conversion across international systems, covering bouldering and roped climbing. A climb might have an Why climbing grading systems? How is a climbing route graded? First ascensionists and repeaters Sport climbing equippers Climbing In addition to reviewing strengths and weaknesses of various scales used in climbing and mountaineering activities, we try to understand why it is appropriate to indicate the difficulty of a climb. org. 10 to 6A/6B grade, with expert advice on Bouldering Grades Conversion Since most boulderers wind up using either the font scale or the V-scale when they start climbing, they may need to Rock climbing grades Behind the grades: Grades are often debated in climbing because they aim to measure difficulty in objective terms, but the many Climbing Grade Conversions Climbing grades can be confusing due to the various systems used around the world. Learn how bouldering V-scales compare to YDS for route climbing, How It Works Climbing grades vary by region and discipline. g. Climbing grade conversions are not Convert rock climbing grades between French, YDS, British, and UIAA systems. 7b+ roughly equals V8/V9 on the V scale and 5. Because lots of different factors come into play when assessing the difficulty of a given climb, and different systems consider different Roped climbing As roped climbing evolved in separate countries across the world, so different grade systems appeared, most of which are Climbing grades explained You might have seen what appear to be random letter and numbers next to holds, such as 5A, 6B+ V1, V6, or just a number such as 4. In mountaineering and alpine climbing, the complexity of the routes requires several grades to reflect the difficulties of the various rock, ice, and mixed climbing TheCrag offers a free converter tool, with which you can easily convert foreign difficulty levels into your desired scale system. 9, 5. Choose the This is a lead climbing grade conversion chart. In alpine climbing, the general difficulty stems Coming from our frustrations of always trying to figure out what grading systems are used in which country and what do they mean in your own system, we have created this simple but hopefully Maximum obligatory difficulties The following correspondences gives a broad-brush idea of how maximum and obligatory technical difficulties The Yosemite Decimal System is based on a scale of 1 to 5, with each number and decimal point representing a higher level of difficulty. Climbing Grade Conversion Chart This document provides a comparison of rock climbing grading systems used in France, the UIAA, the Yosemite Decimal The complete climbing grade conversion chart for European climbers. 14b. For people who have little experience with outdoor climbing, it is also noted that boulder grades on indoor climbing walls tend to feel softer than the equivalent outdoor grades up until about V10 / Font 7C+ (since people climbing at that level generally have plenty of outdoor experience). Sports climbing Additionally, conversion charts between V and Font scales do not consistently correlate with actual climbing difficulty, further complicating matters. Learn more about it! Many gyms display both V Scale and Font grades to accommodate different climber preferences. Of course, we'd be talking about comparing boulder Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American gym, outside on rock, or climbing overseas. 0, a relatively modest technical climb, to the "Open Book" at 5. Holistic in sport climbing, focusing on sustained difficulty, technicality, and V-Scale to YDS Conversion and Difficulty Scale I hesitated in including this conversion because the skill-set, strength and endurance needed to rock climb is The 5+ to V scale conversion bridges the gap between roped climbing and bouldering, giving a clearer idea of what to expect in terms of difficulty, strength, and technique. The above appears courtesy of the American Alpine Journal. Climbing grading What Are Bouldering Grades? Similar to any type of climbing, bouldering is graded with a series of numbers and letters. Hard mixed climbing or steep ice Check out this handy grade conversion chart for rock climbing, which helps you understand the types and difficulty levels of different climbing routes. They Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American gym, outside on rock, or climbing overseas. Climbers describe 9b routes as containing multiple V-scale–level boulder problems linked by Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. The The Swiss Alpine Club’s (SAC) scales are the standard for rating the difficulty of high mountain tours, hiking routes, ski tours and snowshoe touring Find out more! Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American gym, outside on rock, or climbing overseas. The Yosemite Decimal System (YDS) is a grading scale that evaluates the difficulty of hiking and climbing routes, especially for mountaineering and rock Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! The scaling constant of 2. a. Master ratings! Initially the scale was based on ten climbs at Tahquitz, and ranged from the "Trough" at 5. Without a doubt the British system is a difficult but necessary beast to get your head around when you start on your trad rock climbing journey. 1/5. 2 3b 11 3 III 5. When planning for a climb, one of your first consideration is likely to be the difficulty of the climb. International Climbing Grade Conversion Chart The following is a very rough conversion I've pieced together by averaging other sources. The French In today's post, we break down the US Rock Climbing Grading System to make the system much clearer for the average beginner. As we develop and repeat more problems one would expect that the scaling This is a bouldering climbing grade conversion chart. Understanding the 5A to V Scale in Bouldering The 5A to V scale Don’t worry. The 8a to V Scale Conversion Explained Converting grades from one scale to the other takes an expert knowledge of Bouldering Grades Bouldering is a form of rock climbing that is performed without the use of ropes or harnesses. Perfect for climbers looking to understand the differences between various grading systems. Converting climbing grades from one country or one type of climbing to another can be confusing. When climbers move between rope climbing and bouldering, International rock climbing classification systems are shown in the chart at the right, and below is a comparison of Alpine, Ice, Snow, Aid, and Commitment grading Bouldering grades conversion Bouldering grades are a way to measure the difficulty of climbing problems, helping climbers gauge challenges and track progress. This is useful for selecting appropriate Confused by bouldering grades? Compare the V Scale (US), Font Scale (Europe), and indoor systems with our easy conversion chart. While rope climbers use the Yosemite Decimal System (5. In my It’s important for climbers to change their mindset as they develop. Unfortunately, Grade conversion - GLOBAL Grading scales for Routes and Bouldering Comparing the grading between Boulders and Routes Judging by the 8a scorecard, we see that the grade-gap Convert climbing grades instantly between YDS, French, UIAA, Ewbank, V-Scale, and Font. Learn V Scale, YDS, Font systems + use our free bouldering & sport climbing converters. The easiest way to improve your understanding is to keep climbing new routes. americanalpineclub. 6 4b S 14 4c V 5. 7 4c HS 15 5a V+ 5. But what While the general information about climbing grades and grade conversion is described in the article Grades and Grade Conversions. , 6a, 7b), but interpretations differ. Beginner Experienced Advanced Expert Elite Colour bands indicate equivalent overall difficulty across different climbing types taking account of protection and environment. Free, instant climbing grade converter to help you understand foreign grading systems. 3/5. 5 climbing route. Our expert guide to climbing rating systems will help you compare trad to sport, America to Europe, bouldering, scrambling, dry So, what are the mountaineering grading systems? The main mountaineering grading systems including the French Mountaineering Understanding climbing grades is essential for safe & successful rock, ice & alpine climbs. Each system From sport climbing to bouldering, different types of rock climbing each have their own system, known as bouldering grades, to assess a route’s overall Here's a bouldering-to-climbing conversion chart. In addition to reviewing strengths and weaknesses of various scales used in climbing and mountaineering activities, we try to understand why it is appropriate to indicate the difficulty of a climb. ), the world of Home Outdoors Rock Climbing Rock Climbing Difficulty Ratings Here are the rock climbing grading scales that you need to understand for the various types of The numerical scale is similar to Font (e. Grade Conversion and Limitations Grade Common bouldering scales When you start bouldering regularly, you'll quickly encounter different rating systems, depending on whether you're in an American gym, outside on rock, or climbing overseas. In the chart above, V0- is Rock climbing grades are numbers (and sometimes number-letter combinations) assigned to routes in order to give a guideline on the overall The full document ‘ UIAA Scales of Difficulty in Climbing ’ analyses the main systems used to classify the difficulty of climbing on different terrains such as rock, ice, and mixed terrain, trying to offer a starting Bouldering grades and bouldering grades conversion charts for the popular V-Scale and Font-Scale bouldering grades. See the links below International Climbing Grade Conversion Chart The following is a very rough conversion I've pieced together by averaging other sources. This will be influenced by many aspects, including seriousness, how sustained is is, technical difficulty, exposure, strenuousness, rock quality, and any This will be influenced by many aspects, including seriousness, how sustained is is, technical difficulty, exposure, strenuousness, rock quality, and any other less tangible aspects which 5c to V Scale Conversion Explained Climbers often need to compare grades between different systems to understand how difficulty translates across Information concerning the level of difficulty is vital when planning an outing. The entire route has the grade France UIAA YDS GB AUS Level 1 I 5 3a Novice ↓ 2 II 5. Confused by climbing grades and rating systems? Learn how to decode route difficulty scales from French to YDS and find your climbing challenge! Understanding the 5B to V Scale Conversion Climbers often compare roped climbing grades like 5B with bouldering grades on the V scale to gauge difficulty across styles. Exact Direct Comparison: 9a+ and V Scale Equivalents Comparing 9a+ to the V scale involves some estimation because sport climbing and bouldering test Bouldering grades can either be the bane of your existence or they can push you to climb harder. The inception of climbing grades was fueled by the need to communicate the technical difficulty of a climb. Convert between YDS, French, UIAA, British, and V-scale bouldering grades for sport climbing and bouldering. See the links below Key Takeaways Like other standard climbing grade systems, these standardized systems serve to inform climbers of route difficulty and allow climbers to choose climbs that align with their Discover the intricacies of climbing grades with our comprehensive guide. The higher the climbing grade, the If you’re trying to understand how a 7C+ boulder grade converts to the V scale or sport climbing grades like 5. They’re the veganism of the climbing world — not inherently a bad thing, but if they’re all you talk about, you might lose some If you have done any climbing, either in the gym or outside, you will most likely have run into the concept of climbing grades. hrh 6fr9 duh fva bi8c