Nutrition Calculators
Free, science-backed calculators to help you plan nutrition and activity. No signup required. Calculate daily calories, macros, walking calories, and a weight-loss timeline in seconds.
Each calculator uses peer-reviewed formulas like the Mifflin-St Jeor equation for TDEE and evidence-based MET values for walking. Enter your stats to get calorie and macro targets, activity estimates, and timelines personalized to your body and goals.
TDEE Calculator
Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation. Find out how many calories you burn per day.
Macro Calculator
Find your optimal daily protein, carbs, and fat based on your goals. Supports balanced, low-carb, high-protein, and keto diets.
Calorie Deficit Calculator
Get a personalized daily calorie target and estimated timeline to reach your goal weight at a safe, sustainable pace.
Walking Calorie Calculator
Estimate calories burned from your weight, time, distance, steps, walking pace, and treadmill incline.