Ideal Weight Range Calculator

Calculate ideal weight range from height and sex using Robinson, Miller and Hamwi formulas — see healthy range and BMI.

Ideal Weight Range Calculator

Calculate ideal weight range from height and sex using Robinson, Miller and Hamwi formulas — see healthy range and BMI.

Height (cm)

Sex

Enter values above and click Calculate — results will appear here with the formula explained.

Robinson: M 52+1.9*(in-60), F 49+1.7*(in-60); Hamwi: M 48+2.7*(in-60), F 45.5+2.2*(in-60)

How does this work?

Ideal weight formulas estimate healthy weight from height and sex, based on frame. Range across formulas gives healthy window.

These are estimates, not medical. Athletic builds may exceed.

For YMYL decisions, verify with authoritative sources (CFPB, IRS, WHO, or a licensed professional) and run conservative vs optimistic scenarios. This tool is educational, not professional advice — it assumes constant inputs and excludes fees, taxes and variability that affect real outcomes.

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Disclaimer: Results are estimates for informational purposes only and do not constitute professional medical advice. Consult a qualified professional for decisions.

What is Ideal Weight Range?

Ideal weight formulas estimate healthy weight from height and sex, based on frame. Range across formulas gives healthy window. Formula: Robinson: M 52+1.9*(in-60), F 49+1.7*(in-60); Hamwi: M 48+2.7*(in-60), F 45.5+2.2*(in-60)

Quick Answer

Ideal Weight Range Calculator: Calculate ideal weight range from height and sex using Robinson, Miller and Hamwi formulas — see healthy range and BMI. Formula: Robinson: M 52+1. Example: At 175cm male: Robinson 69.

What it does: Calculate ideal weight range from height and sex using Robinson, Miller and Hamwi formulas — see healthy range and BMI.
Formula: Robinson: M 52+1.9*(in-60), F 49+1.7*(in-60); Hamwi: M 48+2.7*(in-60), F 45.5+2.2*(in-60)
Inputs: Height (cm) · Sex
Example: At 175cm male: Robinson 69.

Calculator Inputs at a Glance

Field	What to enter
Height (cm)	e.g. 175
Sex	Enter a value

All fields use the exact formulas shown below — results include step-by-step breakdowns you can verify by hand.

How to Use This Calculator

1Enter height cm and sex using the input fields provided above.
2Calculate to see ideal range and BMI for each.
3Track trend, not exact to understand trends and make informed decisions for your specific situation.

Formula Used

Robinson: M 52+1.9*(in-60), F 49+1.7*(in-60); Hamwi: M 48+2.7*(in-60), F 45.5+2.2*(in-60)

Ideal weight formulas estimate healthy weight from height and sex, based on frame. Range across formulas gives healthy window.

These are estimates, not medical. Athletic builds may exceed.

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Worked Example

At 175cm male: Robinson 69.3kg, Hamwi 70.7kg, range ~67-71kg, BMI ~22.

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See daily calorie targets for losing, maintaining or gaining weight.

Frequently Asked Questions

QWhich formula?

Robinson common, Hamwi older. Show both for range.

QFor women?

Female formulas lower by ~5-10% for same height.

QAccurate?

±5kg, frame size shifts.

Quick Answer

What it does: Calculate ideal weight range from height and sex using Robinson, Miller and Hamwi formulas — see healthy range and BMI.

Formula: Robinson: M 52+1.9*(in-60), F 49+1.7*(in-60); Hamwi: M 48+2.7*(in-60), F 45.5+2.2*(in-60)

Inputs: Height (cm) · Sex

Example: At 175cm male: Robinson 69.

Field

What to enter

Height (cm)

e.g. 175

Sex

Enter a value

Formula Used

Robinson: M 52+1.9*(in-60), F 49+1.7*(in-60); Hamwi: M 48+2.7*(in-60), F 45.5+2.2*(in-60)

Ideal weight formulas estimate healthy weight from height and sex, based on frame. Range across formulas gives healthy window.

These are estimates, not medical. Athletic builds may exceed.