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Height to Wrist Ratio and Adult Frame Convention

Compare height and wrist circumference using explicitly named adult ratio bands.

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Calculator inputs

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How to use this calculator

  1. Enter the known values in the units shown. Results update as you type.
  2. Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
  3. Use the worked example to check the method. Reset restores the starting fields.

Use the result with context

Health results are educational estimates, not a diagnosis or treatment recommendation. A qualified clinician can interpret measurements in the context of your health.

Formula and method

Height1.70m and wrist16cm give ratio10.625, in the female medium-frame convention.

Frame ratio = height / wrist circumference in matching length units.

Worked example

Enter these known values and leave the other values blank.

Adult frame convention
Female
Standing height
1.7 m
Wrist circumference
16 cm
Height to wrist ratio
10.6

Assumptions and limitations

  • This height-to-wrist ratio convention was used in a2014 study of432 apparently healthy Iranian adults aged18–78. It is an anthropometric grouping, not an ideal weight target, diagnosis or validated assessment for children. Match circumference and height units; the selected female or male convention determines the ratio band.
  • The captured ratio is one-way; circumference cannot be solved backward through the output control.

Common questions

How is the ratio calculated?

Convert height and wrist circumference to the same length units, then divide height by circumference.

What do these frame bands mean?

This height-to-wrist ratio convention was used in a2014 study of432 apparently healthy Iranian adults aged18–78. It is an anthropometric grouping, not an ideal weight target, diagnosis or validated assessment for children. Match circumference and height units; the selected female or male convention determines the ratio band.

References

Bookify corrects the six body-frame note conditions to apply the female10.1/11 and male9.6/10.4 ratio thresholds to their captured choice mappings, preserving all controls and the height-to-wrist equation.

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