FITNESS TOOL

TDEE Calculator

Estimate adult daily energy expenditure using Mifflin–St Jeor and an activity factor.

TDEE Calculator

FREE ONLINE TOOL

STEP BY STEP

How to use tdee calculator

  1. Enter your measured values in the displayed units.
  2. Review the calculation: Resting estimate = 10 × kg + 6.25 × cm − 5 × age + sex coefficient (+5 male, −161 female). TDEE = resting estimate × activity factor.
  3. 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.