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Calorie Deficit Calculator

HEALTH

Calculate calorie deficit or surplus for weight goals.

Enter your details and click Calculate

📖 How to Use Calorie Deficit Calculator

1
Calculate your TDEE
Enter age, weight, height, gender, and activity level.
2
Set your goal
Choose weight loss, maintenance, or gain and your target rate.
3
Get your calorie target
The tool calculates your daily calorie target to hit your goal.

💡 Examples

Safe weight loss
INPUT
TDEE: 2,400 cal, Goal: lose 0.5 kg/week
OUTPUT
Target: 1,900 cal/day (500 cal deficit)

🚀 Pro Tips

A 500 calorie daily deficit = ~0.5 kg (1 lb) loss per week — the gold standard for sustainable weight loss.
Never go below 1,200 calories/day (women) or 1,500 (men) without medical supervision.
Protein intake of 1.6–2.2 g/kg of body weight preserves muscle during a calorie deficit.
Weight loss stalls are normal — your TDEE decreases as you lose weight. Recalculate every 4–6 weeks.

Frequently Asked Questions

How many calories do I need to cut to lose 1 kg?+
Approximately 7,700 calories = 1 kg of fat. A 500 calorie daily deficit means ~0.5 kg per week, or 1 kg in about 15 days.
Is it better to eat less or exercise more?+
Both work, but diet is more powerful for weight loss (you can't out-exercise a bad diet). Exercise preserves muscle, improves health, and prevents regain. Combining both is optimal.

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