Online Calorie Calculator

Estimate how many calories you burn in a normal day (TDEE) from your age, sex, weight, height and activity level. Use it to set a realistic diet or bulking target.

Tool Features

• Estimate TDEE with the Mifflin-St Jeor formula
• Adjust for five activity levels
• Supports male and female inputs
• Responsive design for mobile and desktop
• No registration or software installation

Common Usage

• Set a daily calorie target for weight loss
• Plan a lean-bulk or maintenance diet
• Pair with BMI for a fuller picture
• Track nutrition goals over time