Ideal Weight Calculator

Calculate ideal weight using multiple medical formulas

🔒 Files never leave your browser

Unit System

Height (cm)

Gender

Frame Size

Adjusts results by -10% (small) or +10% (large)

Results — Ideal Weight Range

Formula	Ideal Weight

Average Across All Formulas

—

Formulas Used

Devine (1974): Male: 50 + 2.3 per inch over 5 ft | Female: 45.5 + 2.3 per inch over 5 ft

Robinson (1983): Male: 52 + 1.9 per inch over 5 ft | Female: 49 + 1.7 per inch over 5 ft

Miller (1983): Male: 56.2 + 1.41 per inch over 5 ft | Female: 53.1 + 1.36 per inch over 5 ft

Hamwi (1964): Male: 48 + 2.7 per inch over 5 ft | Female: 45.5 + 2.2 per inch over 5 ft

How to Use Ideal Weight Calculator

Enter your details

Input your height, gender, and frame size.

View results

See ideal weight from four different medical formulas.

Compare formulas

Review the comparison table to understand the range.

Why Choose AllTools Ideal Weight Calculator?

✓ 100% free, no account needed
✓ Devine formula
✓ Robinson formula
✓ Miller formula
✓ Hamwi formula
✓ No data stored or transmitted

Why Use This Tool

★ Instant calculations with no server round-trip
★ Completely free with no usage limits
★ No account or registration required
★ Accurate results using standard mathematical formulas
★ Works on any device including phones and tablets

Related Resources

Calculate BMI → Calculate body fat → Calculate calories →

Frequently Asked Questions

Which formula is most accurate? ▼

No single formula is perfect. The Devine formula is most commonly used in medical settings, but all four provide a useful range.

What is frame size? ▼

Body frame size (small, medium, large) accounts for bone structure differences. Larger frames support more weight.

Is this private? ▼

Yes. All calculations happen in your browser.

Is there a file size limit? ▼

No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.

Which browsers are supported? ▼

All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.

Can I use this offline? ▼

Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.

Guides

BMI Calculator: What Your Score Means

Calculate BMI with ideal weight, BMI Prime, health risk assessment. Metric and imperial. Free, private, no data stored.

March 22, 2026 →

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