Energy Expenditure Calculator
Combined BMR and activity factor to estimate maintenance calories.
Use the calculator below, then review the formula, a numeric example, and the reference table to understand how the energy expenditure (tdee) result is produced.
Educational tool only. It does not replace advice from a licensed clinician, dietitian, or exercise physiologist.
Calculator inputs
Result
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What is this calculator?
Combined BMR and activity factor to estimate maintenance calories. The formula, a worked example, and a reference table are below. Results are for education only, not medical advice.
How it works
Same family as TDEE: BMR via Mifflin–St Jeor PAL factor.
Example
See TDEE section: numbers match when inputs align.
Reference Table
| Value | Meaning |
|---|---|
| TDEE | All-day burn estimate |
| NEAT | Non-exercise activity |
| TEF | Thermic effect of food |
FAQ
Why duplicate TDEE?
Users search both phrases; we keep parallel landing clarity.
Trackers?
Compare device totals to food logs for calibration.
Illness?
Fever raises expenditure temporarily.
Older adults?
Equation error may grow; monitoring intake/weight helps.