Calorie Calculator — Live (White Background)

Calorie Calculator — Live (Click CALCULATE)

Enter your details, select activity level and goal, then click CALCULATE. Calculator uses the Mifflin–St Jeor equation for BMR and activity multipliers for TDEE. Background is white and calculation only runs when you click the button.

Sex

Age (years)

Height (cm)

Weight (kg)

Or switch to imperial units

Use lbs / ft-in

Activity level Goal Weight change speed (if lose/gain)

This tool is manual: click the CALCULATE button below to run all computations. Values shown include BMR, activity multiplier, TDEE (maintenance), goal calories, and a suggested macronutrient split.

Formula notes: BMR uses Mifflin–St Jeor. TDEE = BMR × activity factor. Suggested calorie adjustments depend on your chosen goal and speed. See results for step-by-step numbers.