BMR & TDEE Calculator

Estimate basal metabolic rate and total daily energy expenditure with adjustable activity levels.

InputsChange a value to recalculate instantly

Age

years

Height

Weight

Activity multiplier

ResultUpdates as you type

BMR1,698.75 kcal/day

Estimated TDEE2,633.06 kcal/day

Activity multiplier1.55×

How it worksTransparent math

Calculation details are shown above.

Result breakdownSee the important numbers together

1BMR1,698.75 kcal/day

2Estimated TDEE2,633.06 kcal/day

3Activity multiplier1.55×

λ DooMathWork with this calculation

Local · deterministic · optional

auto_awesome

Quick mathNatural-language-style shortcuts for deterministic arithmetic.

Calculator guide

How to use the BMR & TDEE Calculator

Estimate basal metabolic rate and total daily energy expenditure with adjustable activity levels.

01Set inputsChoose values, units and assumptions.

02Apply the modelUse the stated mathematical relationship.

03Read the resultCheck the output against the assumptions before using it.

menu_book

Estimate basal metabolic rate and total daily energy expenditure with adjustable activity levels.

functions

The result is calculated from the inputs and assumptions shown in the calculator.

fact_check

Review the inputs, units and assumptions before using the result for a real decision.