FITNESS TOOL
TDEE Calculator
Estimate adult daily energy expenditure using Mifflin–St Jeor and an activity factor.
TDEE Calculator
FREE ONLINE TOOLSTEP BY STEP
How to use tdee calculator
- Enter your measured values in the displayed units.
- Review the calculation: Resting estimate = 10 × kg + 6.25 × cm − 5 × age + sex coefficient (+5 male, −161 female). TDEE = resting estimate × activity factor.
- Read the result and compare with the example.
WHEN IT HELPS
Common uses
- Check the worked example: Male, 80 kg, 180 cm, age 30, factor 1.2: 1,780 kcal/day at rest and 2,136 kcal/day total.
IN PRACTICE
Example
Male, 80 kg, 180 cm, age 30, factor 1.2: 1,780 kcal/day at rest and 2,136 kcal/day total.
GOOD TO KNOW
Is this an exact calorie target?
No. Activity factors are approximations. Intended for adults, not children, pregnancy or breastfeeding; it does not prescribe a diet.
Resting estimate = 10 × kg + 6.25 × cm − 5 × age + sex coefficient (+5 male, −161 female). TDEE = resting estimate × activity factor. No. Activity factors are approximations. Intended for adults, not children, pregnancy or breastfeeding; it does not prescribe a diet.
Frequently asked questions
Is this an exact calorie target?
No. Activity factors are approximations. Intended for adults, not children, pregnancy or breastfeeding; it does not prescribe a diet.
Which formula is used?
Resting estimate = 10 × kg + 6.25 × cm − 5 × age + sex coefficient (+5 male, −161 female). TDEE = resting estimate × activity factor.