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TDEE Estimator From BMR and Activity Factor
A conservative TDEE estimator for understanding maintenance-calorie math without pretending the number is exact.
How to use a TDEE estimate
TDEE is a rough estimate of daily energy use. It can help explain why intake, activity, and body weight interact, but it is not precise enough to dictate your whole plan.
If you do not know your BMR, use a reputable planner or clinician-supported estimate first. Then use this page only to understand how activity multipliers change the estimate.
Sources
- Mifflin-St Jeor equationPubMed
- Body Weight PlannerNIDDK
- Healthy Weight ControlNIH News in Health
FAQ
Is TDEE my exact maintenance calorie number?
No. It is an estimate. Real maintenance can differ because of body composition, activity, tracking error, health status, and adaptation.
Which activity multiplier should I use?
Use the lowest realistic multiplier first if you are unsure. Overestimating activity can make maintenance estimates too high.
Does Thinner calculate TDEE in the app?
No. Thinner is not a calorie calculator. It focuses on small habits, check-ins, plans, and smoothed progress.