Calorie Deficit Calculator

How the Calorie Deficit Calculator Works

Daily Calorie Deficit = (Weight to Lose × 7700) ÷ (Weeks × 7)

This tool calculates the daily calorie deficit needed to reach your target weight in your specified timeframe. Each kilogram of fat contains approximately 7700 calories.

1
Set Goal
Enter your current weight and target weight
2
Set Timeline
Specify the number of weeks to reach your goal
3
Calculate Deficit
The tool calculates the required daily deficit and target calories

Use Cases

Weight Loss Planning

Know how much to reduce calories to reach your goal

Setting Realistic Timelines

Determine a healthy timeframe for weight loss

Diet Adjustments

Calculate daily allowed calories

Tips

1
Do not exceed a 1000 calorie daily deficit without medical supervision
2
A moderate deficit (500 calories) is more sustainable
3
Combine eating less with moving more
4
Monitor your energy and mood as indicators of excessive deficit

Common Mistakes

Setting unrealistic goals that require dangerous deficits
Ignoring minimum healthy calorie intake (1200 for women, 1500 for men)
Not accounting for calories burned from exercise
Maintaining the same deficit despite weight changes

FAQs

What is a safe calorie deficit?

500-750 calories daily is considered safe and leads to 0.5-0.75 kg loss per week.

Can the deficit be too large?

Yes, large deficits lead to muscle loss, slowed metabolism, and health problems.

How do I know if my deficit is appropriate?

If you're losing 0.5-1 kg weekly with good energy, your deficit is appropriate.

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