BMR with Activity
Free BMR with Activity calculator with clear step-by-step results.
About BMR with Activity
Basal metabolic rate is the energy to keep you alive; TDEE adds activity.
Formula
Formula
BMR = 10W + 6.25H − 5A + 5(male) / −161(female); TDEE = BMR × activity
Worked example
With the default values below, BMR with Activity returns BMR (Mifflin-St Jeor) of 1,617.50. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Weight (kg)minimum 0 kg
- 70 kg
- Height (cm)minimum 0 cm
- 170 cm
- Age (years)accepts 1–120
- 30
- Sexaccepts 0–1
- 1
- Activity levelaccepts 1–2.2
- 1.375
Results
- BMR (Mifflin-St Jeor)
- 1,617.50 kcal
- TDEE (Maintenance)
- 2,224.06 kcal
- Activity Factor Used
- 1.375
Step by step
- 1Values used
- 2Formula
- 3BMR (Mifflin-St Jeor)= 1,617.50 kcal
- 4TDEE (Maintenance)= 2,224.06 kcal
- 5Activity Factor Used= 1.375
Assumptions and limits
- The result is derived only from the 5 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
- Estimates are general guidance — consult a healthcare professional for personal medical advice.
- This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Estimates are general guidance — consult a healthcare professional for personal medical advice.
Frequently Asked Questions
How does this calculator work?
Basal metabolic rate is the energy to keep you alive; TDEE adds activity.
Why does this matter?
Estimates only — individual variation is significant.