CalHub

Body Frame Size Calculator

Estimate frame size from height and wrist.

Frame size Small
Height/wrist ratio 10.471

Formula: ratio = height ÷ wrist circumference

Step-by-step with your numbers:
1. Values used:
2. Height = 178
3. Wrist circumference = 17
4.
5. Frame size = Small
6. Height/wrist ratio = Height / Wrist circumference = 178 / 17 = 10.471
Did we solve your problem today?

Frame size helps interpret ideal-weight ranges. Informational only.

The math behind it

ratio = height ÷ wrist circumference; thresholds differ by sex to classify small/medium/large frame.

Worked example

Male, 178 cm, 17 cm wrist → Medium.

FAQ

Why frame size?

Larger frames carry more healthy weight at the same height.

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