Calorie Calculator

Estimate your daily caloric needs using the Mifflin-St Jeor equation and common activity multipliers. Choose a goal to get suggested daily calories for maintenance, weight loss or gain.

Inputs

Sex

Weight (kg)

Height (cm)

Age (years)

Activity Level

Goal

Features

Accurate BMR

Calculates Basal Metabolic Rate using Mifflin-St Jeor.

Activity Multipliers

Choose from common activity levels for a realistic maintenance estimate.

Goal Suggestions

Gives suggested daily calories for weight loss, maintenance or gain.

Privacy Friendly

All calculations run locally in your browser. No data leaves your device.

How it works

Input your sex, weight in kg, height in cm and age.
Select an activity level that best matches your daily routine.
Choose a goal: maintain, lose (moderate deficit) or gain (moderate surplus).
Click Calculate to get estimated daily calories. Use these values as a starting point and adjust as needed.