Climbing harness
size calculator.

Use both measurements for a compatible shortlist. One measurement returns candidates that still require the missing check.

CGF / FIT DATAv0.1.247 ranges2026-07-20

Find harnesses that fit both.

Use a soft tape to measure your waist circumference above the hips and each thigh at its widest point, over your climbing clothes. Check each thigh against the range, using the field once per thigh. Where and how to measure →

Optional filters

A shortlist, not a guess.

Both measurements must fit · 47 sizes · 10 models

  • Both measurements must fit
  • Overlaps stay visible
  • Conflicts fail closed