Calorie Calculator

Calculate daily calorie needs

What it does

The Calorie Calculator estimates your daily calorie needs based on age, gender, weight, height, and activity level using the Mifflin-St Jeor equation. Understand your maintenance calories for weight management.

How to use it

Enter your age in years.
Select your gender (male or female).
Enter your weight and height.
Choose your activity level from sedentary to extra active.
View your estimated daily calorie needs for weight maintenance.

Key features

Mifflin-St Jeor equation
Activity level adjustment
Gender-specific
Metric support
Instant results
Science-based
Mobile-friendly
Free unlimited

Why it helps

Understanding your calorie needs is the foundation of any nutrition plan. Whether losing, maintaining, or gaining weight, knowing your daily requirements helps make informed dietary choices.

Frequently asked questions

How accurate is this?

Uses the Mifflin-St Jeor equation, considered the most accurate for estimating daily calorie needs.

What activity levels?

Sedentary, lightly active, moderately active, very active, and extra active.

Does it account for goals?

It shows maintenance calories. Subtract 500/day for ~1 lb/week loss.

Is this free?

Yes, completely free.

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