Ideal Weight Calculator
Calculate your ideal body weight using multiple scientific formulas based on height and gender.
Last updated: Jan 2025Up to date
What is Ideal Body Weight?
Ideal Body Weight (IBW) is an estimated weight range considered healthy for a person based on their height and gender. Various formulas have been developed to calculate IBW, each with slight variations.
Formulas Used
Devine Formula (1974)
Male: 50 + 2.3 × (height in inches − 60)
Female: 45.5 + 2.3 × (height in inches − 60)
Robinson Formula (1983)
Male: 52 + 1.9 × (height in inches − 60)
Female: 49 + 1.7 × (height in inches − 60)
Limitations
- • Does not account for body composition or muscle mass
- • May not be accurate for athletes or bodybuilders
- • Does not consider age or frame size
- • Originally designed for medication dosing, not fitness