This BMI calculator works out your body mass index from height and weight in metric or US units and places it on the WHO and CDC adult bands.
Body Measurement
Open BMI (Body Mass Index) Calculator →
Body Measurement Calculators
✦ Health & Wellness3 free body measurement calculators, each with its formula, worked examples and cited sources.
- ✓ Calculated in your browser
- ✓ Nothing you type is stored
- ✓ No sign-up required
- ✓ Formula and sources shown
Body Measurement calculators
This body fat percentage calculator estimates your body fat from a tape measure with the US Navy equations, then places it on a healthy body fat percentage chart for your age and sex, with fat mass and lean mass.
Body Measurement
Open Body Fat Percentage Calculator →
This ideal weight calculator shows the healthy weight range for your height in kg or lb, with the Devine, Robinson, Miller and Hamwi formulas beside it.
Body Measurement
Open Ideal Weight Calculator →
5 more body measurement calculators are planned in this category — see the roadmap for what is coming and when.
Body Measurement calculator questions
How many body measurement calculators are available?
3 body measurement calculators are published so far, with 5 more planned in this category. Each one is published only once it has a working tool, its formula, worked examples and cited sources.
Are these calculators free?
Yes — all of them, with no account and no usage limit. There is no paid tier and no signup wall.
Is my data sent anywhere?
No. Every calculation runs in your browser using JavaScript. The values you enter never leave your device, are never stored, and are never logged.
How accurate are the results?
Each calculator states the exact formula it applies and cites the source behind any rate or threshold it uses, so the working is checkable. Where a result depends on figures that change — tax rates, for instance — the page shows the year and the date those figures were verified.