Climbing Grade Comparison Chart

YDS Class System Overview

Class 1: Flat walking

Class 2: Steeper hiking

Class 3: Scrambling

Class 4: Borderline climbing

Class 5: Technical rock climbing (5.0-5.15d)

Bouldering & Sport Climbing Grade Comparison

V-Scale
(Boulder)

YDS
(Sport)

Font
(Boulder)

Font
(Sport)

Grade System Notes

YDS (Yosemite Decimal System): American system for roped climbing, subdivided with letters (a, b, c, d) from 5.10 onwards

V-Scale: American bouldering system developed by John Sherman, ranges from V0 to V17

Font (Fontainebleau): French system used for both sport climbing and bouldering

Note: Grade conversions are approximate and can vary based on style, height, protection, and rock type