What is the TDEE Calculator?
The tdee calculator is a free online tool that helps you work out tdee quickly and accurately. It uses the standard formula TDEE = BMR (Mifflin-St Jeor) x activity factor and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Choose gender.
- Enter age, weight, height.
- Select your activity level.
- See your maintenance calories.
Formula used
TDEE = BMR (Mifflin-St Jeor) x activity factorExplanation of each input
- Gender โ the gender used in the calculation.
- Age (years) โ the age used in the calculation.
- Weight (kg) โ the weight used in the calculation.
- Height (cm) โ the height used in the calculation.
- Activity level โ the activity level used in the calculation.
Understanding your result
- TDEE โ the calculated tdee in kcal/day.
- BMR โ the calculated bmr in kcal/day.
Step-by-step calculation
For the example values Male, 30y, 70kg, 170cm, moderate:
- Apply the formula:
TDEE = BMR (Mifflin-St Jeor) x activity factor - Substitute the values: 1617 x 1.55
- Result: TDEE about 2506 kcal/day
Worked example
| Inputs | Male, 30y, 70kg, 170cm, moderate |
|---|---|
| Working | 1617 x 1.55 |
| Result | TDEE about 2506 kcal/day |
Benefits and practical uses
This calculator saves you time and reduces errors when you need tdee. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Mifflin-St Jeor BMR.
- Activity factor is an estimate.
Frequently asked questions
What is TDEE?
Total Daily Energy Expenditure - the calories you burn per day including activity. Eat below it to lose weight, above to gain.
Disclaimer: This calculator provides general estimates for educational purposes only and is not medical advice. Consult a qualified healthcare professional for personal guidance.