Calorie Calculator

Estimate your daily calorie needs based on your age, gender, weight, height, and activity level.

Age (years):

Gender:

Weight (kg):

Height (cm):

Activity:

How to Calculate Daily Calorie Needs

This calculator uses the Mifflin-St Jeor equation to estimate your Basal Metabolic Rate (BMR), then multiplies by your activity factor to find your Total Daily Energy Expenditure (TDEE).

Frequently Asked Questions

How many calories should I eat per day?
Most adults need between 1,600 and 3,000 calories per day depending on size, age, gender, and activity level.

How many calories do I need to lose weight?
A deficit of 500 calories per day typically leads to about 0.5 kg (1 lb) of weight loss per week.

What is BMR?
Basal Metabolic Rate is the number of calories your body burns at complete rest just to maintain basic functions.