Ideal Weight Calculator
Calculate your ideal body weight using proven formulas.
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Hamwi Formula
Devine Formula
Robinson Formula
Miller Formula
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Frequently Asked Questions
How is ideal weight determined?
Multiple medical formulas estimate ideal weight based on height, gender, and body frame. This calculator shows four widely-used formulas.
Which formula is most accurate?
No single formula is best for everyone. The range across all four formulas gives a reasonable target. Individual factors like muscle mass and bone structure matter.
What is body frame size?
Measure your wrist: Men under 6.5" = small, 6.5-7.5" = medium, over 7.5" = large. Women under 6" = small, 6-6.25" = medium, over 6.25" = large.
Should I focus on weight or body composition?
Body composition (fat vs muscle) matters more than total weight. Someone with more muscle may weigh more but be healthier than someone at 'ideal' weight.
How fast should I aim to reach ideal weight?
1-2 pounds per week is a safe, sustainable rate. Rapid weight loss often leads to muscle loss and is harder to maintain.