TDEE Calculator
Estimate total daily energy expenditure from BMR and activity level. Enter your values below to calculate instantly, then use the explanation and example to understand the result.
Enter your values
What this TDEE Calculator does
Estimate total daily energy expenditure from BMR and activity level. It is designed to give a quick answer while still showing enough context to understand what the number means and what assumptions can affect it.
How to use the calculator
- Enter each value using the unit shown beside the field.
- Select āļāļģāļāļ§āļ to update the result.
- Read the result together with the unit, assumptions and interpretation on this page.
- Change one input at a time when comparing scenarios so you can see what actually drives the answer.
Formula and calculation method
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With the example inputs BMR = 1650 kcal/day, Activity = 1.55, the calculator returns approximately 2,557.5 kcal/day.
How to interpret the result
Health calculators provide screening or planning estimates, not a diagnosis. Population formulas can be useful for context but may not fit every individual.
If a result affects treatment, pregnancy, nutrition, medication, exercise safety or another health decision, discuss it with a qualified clinician.
Accuracy, inputs and rounding
The arithmetic is deterministic: the same valid inputs produce the same answer. A realistic result still depends on the quality of the values you enter. XpressCalculator keeps units next to inputs and rounds displayed results for readability. When precision matters, keep more source precision and avoid rounding intermediate values.
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What does the TDEE Calculator calculate?
Estimate total daily energy expenditure from BMR and activity level.
Why can another calculator show a different answer?
Different calculators may use different formulas, defaults, rounding rules, unit conventions or assumptions. Match the inputs and method before comparing results.
Can I use decimal values?
Yes, where the input field accepts numbers. Use the precision supported by your source data rather than adding unnecessary decimal places.
Does XpressCalculator save the values I enter?
The calculation logic on this page runs in your browser. Standard site analytics or advertising services may still process technical usage data as described in the Privacy Policy.
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Editorial review: Formula, units, interface and explanatory content reviewed for consistency on September 4, 2026. See our āļ§āļīāļāļĩāļāļēāļĢāļāļģāļāļ§āļ and Accuracy Policy.