Health Calculators
Body Fat Calculator
Estimate body fat percentage using a simple circumference-based method for quick health and fitness planning.
Measure around the hips in centimetres. This is used for formulas that require hip circumference; keep the tape level and consistent.
Measure waist circumference using the unit shown. Keep the tape level and use the same method each time.
Measure neck circumference in centimetres. Keep the tape level and avoid pulling it tight.
Enter the height using the unit shown in the label.
Select the formula branch used for the estimate. The calculator does not replace a clinical body-composition assessment.
Formula
Worked example
A male with 88 cm waist, 39 cm neck and 178 cm height gives an estimated body fat percentage around the high teens.
How to use this calculator
Measure consistently and use the calculator to track broad trends, not as a clinical body composition test.
Use the result as a planning estimate, then compare nearby calculators in the same topic cluster for a fuller view.
Body Fat Calculator FAQ
What does this calculator estimate?
Estimate body fat percentage from common circumference measurements for general fitness planning.
How should I use the result?
The result is a quick estimate based on the formula and inputs shown on the page.
What should I compare next?
Use the related links below to move through the topic cluster.