Best Free Calorie Calculator for Weight Loss
Losing weight starts with knowing your numbers. A good calorie calculator should tell you exactly how many calories to eat — not just a vague estimate. It should use a validated scientific formula, account for your activity level, and give you actionable targets.
Our Top Picks
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Calorie Calculator
Calculates your daily calorie needs using the gold-standard Mifflin-St Jeor equation. Shows maintenance, weight loss (-500 cal/day), and weight gain targets.
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TDEE Calculator
Shows your Total Daily Energy Expenditure at every activity level side by side. See exactly how much exercise impacts your calorie burn.
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Macro Calculator
Breaks down your calorie target into protein, carbs, and fat grams. Choose from balanced, low-carb, high-protein, or keto profiles.
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BMI Calculator
Check your starting BMI and set a realistic goal weight. See exactly where you fall on the WHO health scale.
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Pro Tips
- ✓A 500 calorie daily deficit = about 1 pound of fat loss per week
- ✓Never go below 1,200 calories (women) or 1,500 calories (men) without medical supervision
- ✓Protein intake matters — aim for 0.7-1g per pound of body weight to preserve muscle during a cut
- ✓Recalculate your TDEE every 10-15 pounds lost, since your calorie needs decrease as you lose weight
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