Climbing Grade Converter & Ape Index Tools
Welcome!
Use our tool to quickly convert climbing grades between different systems like V-scale, Font, YDS, and UIAA.
Lightweight tools for climbers
We’re building fast, mobile-friendly calculators and references to help climbers convert grades, compare systems, and get answers instantly — whether you’re in the gym or at the crag.
More tools are on the way.
Why Use This Tool?
- Fast and accurate grade conversion
- Supports bouldering and sport climbing grades
- Mobile-friendly and lightweight