Body Fat Percentage Calculator
Calculate body fat percentage from total body weight and fat mass. Use kg or the same unit for both. For illustration only; not a substitute for professional assessment.
From scales or body composition estimate
What is Body Fat Percentage?
Body fat percentage is the proportion of your total weight that is fat mass. It is calculated as (Fat Mass ÷ Total Weight) × 100. It is often used alongside BMI for a broader picture of body composition. Healthy ranges vary by age and sex; this tool is for illustration only.
Frequently Asked Questions
How is body fat percentage calculated here?
Body fat % = (Fat Mass / Total Body Weight) × 100. Enter your total weight and estimated or measured fat mass in the same units (e.g. kg) to get the percentage.
What is a healthy body fat percentage?
Guidelines vary. For adult men, often 10–20% is considered healthy; for women, 20–30%. Athletes may be lower. This is for illustration only; see a health professional for advice.
How do I know my fat mass?
Fat mass can be estimated from body fat % (if you have it from another method), or from scales/readings that estimate it. For a full body composition assessment use our Body Fat Calculator or a professional measurement.
Is this calculator free?
Yes. Enter total weight and fat mass to get body fat percentage. No registration required. For estimates only; not a substitute for professional advice.
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<p>Calculator: <a href="https://onlinecalculator.co.uk/health/body-fat-percentage-calculator" target="_blank">Body Fat Percentage Calculator</a> - OnlineCalculator.co.uk</p>APA Style Citation:
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