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Body Fat % Calculator

Estimate body fat using the US Navy method

Your Measurements (inches)

Sex

Height (inches)

Neck Circumference

Waist Circumference

Hip Circumference (women)

Body Fat %

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Category—

Fat Mass—

Lean Mass—

About This Calculator

This free calculator gives you instant, accurate results with no signup required. Use it to make smarter, more informed financial and life decisions.

How It Works

Enter Your Values

Fill in the input fields with your information.

Adjust Settings

Use the sliders or dropdowns to customise.

See Instant Results

Results update automatically as you type.

Make Better Decisions

Use the results to plan smarter.

Key Numbers

100%

Free to Use

Instant

Results

No Signup

Required

Currencies

💡 Pro Tip

Always double-check important financial decisions with a qualified professional. This calculator provides estimates for guidance purposes. Results may vary based on your specific circumstances.

Frequently Asked Questions

Is this calculator free?

Yes, completely free. No signup, no subscription, no hidden fees. Calcularoo.com is ad-supported and always free to use.

How accurate are the results?

Our calculators use industry-standard formulas and are accurate for general planning purposes. For major financial decisions, always consult a qualified professional.

Can I use different currencies?

Yes! Use the currency selector in the navigation bar to switch between USD, GBP, EUR, ZAR, AUD, CAD, JPY, INR and SGD.

Do you store my data?

No. All calculations happen entirely in your browser. We never collect or store any personal data you enter into our calculators.

🏃 Body Fat Calculator