HEALTH & FITNESS
Ideal Weight Calculator
See your ideal body weight across four classic formulas.
100% free
No sign-up
Private — runs in your browser
Instant results
KEY TAKEAWAYS
- See your ideal body weight across four classic formulas.
- Free to use — no sign-up, no account and no usage limits.
- Runs entirely in your browser, so the numbers you enter stay private.
- Works on desktop and mobile with instant, accurate results.
Last updated: June 2026
About the Ideal Weight Calculator
Enter your height and sex to see ideal-weight estimates from the Robinson, Miller, Devine and Hamwi formulas, plus an average.
Frequently asked questions
Which formula should I use?
They cluster closely; the average is a sensible single number. None account for build or muscle, so use them as a guide.
Free online tool from ConvertFleet. Calculations run entirely in your browser — nothing you type is sent anywhere. Results are estimates for general guidance only.