Overweight Calculator
0 lb above a healthy weight
How "Overweight" Is Measured Here
This calculator first works out the healthy weight range for your height using the standard BMI formula, BMI = weight (kg) ÷ height (m)², applied at the two boundaries of the healthy range, 18.5 and 24.9. Anything above the top of that range is expressed as a straightforward number of pounds — how much you'd need to lose to bring your BMI back down to 24.9 — rather than just a BMI score or category label. If you want the full BMI number and category breakdown instead of a pounds-based delta, use the BMI calculator.
Why a Pounds Number Is More Useful Than a BMI Score
A BMI of "27.4" doesn't mean much to most people day-to-day, but "12 pounds above the healthy range" is something you can act on and track. Keep in mind BMI-based ranges don't account for muscle mass, frame size, or fat distribution, so a muscular, athletic build can show as "overweight" by this math while carrying little excess fat. If you want a more direct read on body composition, the body fat calculator and the ideal weight calculator use different methods that can round out the picture.
A Note on Using This Responsibly
This tool gives an educational estimate based on population-level BMI thresholds, not a medical diagnosis or a personalized health assessment. Healthy weight varies with age, sex, muscle mass, and overall health, so talk to a doctor or registered dietitian before making decisions based on these numbers.
Frequently Asked Questions
How is the "pounds above healthy weight" number calculated?
It converts your height to meters and finds the weight in pounds that corresponds to a BMI of 24.9 (the top of the standard healthy BMI range) at your height, then subtracts that from your current weight. If the result is positive, that's how many pounds you'd need to lose to bring your BMI back to 24.9; if you're already at or below that BMI, the calculator reports 0.
Why might this say I'm "overweight" even though I feel fit and healthy?
BMI-based ranges only use height and weight, so they can't distinguish muscle from fat. Athletic or muscular people often show a higher BMI-based weight delta despite having low body fat. For a composition-based check, try the body fat calculator or ideal weight calculator linked in the explainer, and consult a doctor for a full picture.