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Climbing Calculators Based on UIAA Standards
Convert climbing grades between French, Yosemite and UIAA systems. Calculate rope length for any route and find out when to retire your rope — all based on UIAA Safety Commission guidelines.
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Grade Converter
Convert between French sport grades, Yosemite Decimal System (YDS), UIAA, and Hueco V-scale bouldering grades instantly.
FrenchYDSUIAAHueco V-scale
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Rope Length Calculator
Calculate the minimum rope length needed for any climbing route. Enter route length and climbing style to get the recommended rope size.
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Rope Retirement Calculator
Find out when to retire your climbing rope based on UIAA guidelines. Enter purchase year, usage frequency, and fall history to get a safety verdict.
UIAA guidelinesAge checkFall historyVerdict