Health

Body Frame Size Calculator

Estimate frame size from height and wrist.

Sex

Height

Wrist circumference

Calculated Output

Frame size Small

Height/wrist ratio 10.471

Formula: ratio = height ÷ wrist circumference

Step-by-Step Breakdown

1. Values used:

2. Height = 178

3. Wrist circumference = 17

5. Frame size = Small

6. Height/wrist ratio = Height / Wrist circumference = 178 / 17 = 10.471

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The math behind it

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

Male, 178 cm, 17 cm wrist → Medium.

Why frame size?

Larger frames carry more healthy weight at the same height.