Climbing Grade Converter

No — and they were never meant to be. The different grading systems evolved independently in different countries, and a direct 1:1 conversion doesn't always exist. The Font/Fb scale and the V-Scale for bouldering were developed separately and don't share the same granularity at every level. For sport climbing, the French and UIAA scales align reasonably well in the mid-grades but can diverge at the extremes. Think of conversions as educated estimates, not exact equivalents. When in doubt, climb the route and judge for yourself.

They measure fundamentally different things. Bouldering grades (Font/Fb, V-Scale) rate a single boulder problem — a short sequence of moves, typically without a rope. The grade reflects the difficulty of the hardest move or the overall sequence. Sport climbing grades (French, UIAA) rate a full route — typically 15–30 meters — and factor in sustained difficulty, the number of hard sections, and sometimes the exposure or protection. A V5 boulderer is not automatically a 7a sport climber, and vice versa. The physical and mental demands are quite different.

Use whatever system your local climbing community uses — that's the most practical answer. If you're in Europe and focus on sport climbing, French grades are the standard. For bouldering in Europe, Font/Fb is dominant. If you're in North America or follow American social media, V-Scale is the default for bouldering. UIAA grades are most common in Germany, Austria, and parts of Eastern Europe. When travelling or comparing with climbers from other regions, just use this converter — it takes two seconds.

Grade progression is rarely linear. Most climbers hit plateaus where more effort doesn't equal more progress — usually because they're training the wrong things. The most common bottlenecks: finger strength (the biggest physical limiter), technique and footwork (often neglected), and route-reading. If you've been climbing the same grade for 3–6 months, a structured approach helps more than just climbing more. NextGrade's plateau guides break down exactly what holds most climbers back at specific grade transitions — from V3/V4 all the way up.

YDS 5.10a converts to V0, and 5.10d to V1. The YDS 5.x system is used for roped climbing, while the V-scale rates individual boulder problems. Use the conversion table above for the full mapping.

YDS 5.12a corresponds to French 7a, and 5.12d to French 7c. The French system is the standard for sport climbing in Europe and uses numbers with letter modifiers (a, b, c) and + / - signs.

YDS 5.13a converts to approximately V5. Keep in mind that YDS grades measure sustained route difficulty, while V-grades rate short boulder problems, so the conversion is an approximation.

French 7a converts to approximately V5. French grades rate sustained route climbing, V-grades rate short boulder problems, so the conversion is approximate. See the full table above for all grade equivalencies.