Weight loss and weight gain calculators
Plan a weight change with numbers: how many calories to eat, how big a deficit or surplus to use, and when you could reach your goal at a steady rate.
4 free calculators
- Weight Loss Calculator - How long to reach your goal weight, with a weekly projection. Also called: weight loss goal calculator, weight loss date calculator, how long to lose weight.
- Weight Gain Calculator - Calories and weeks needed to reach a higher goal weight. Also called: calories to gain weight, bulking calculator, weight gain plan calculator.
- Calorie Deficit Calculator - Daily calories to eat and fat loss from your deficit. Also called: deficit calculator, fat loss calculator, how big a calorie deficit.
- Calorie Surplus Calculator - Daily calories to eat to build weight and muscle. Also called: lean bulk calculator, bulking calories calculator, calorie surplus for muscle gain.
More health calculators
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- All 112 health calculators
These calculators are for education only and are not medical advice. See the medical disclaimer and how we build and review our tools. Looking for medicine prices? Compare medicine prices in 32 countries on MediHub.