HEALTH & EVERYDAY
BMR calculator
Estimate basal metabolic rate with the Mifflin-St Jeor equation.
Estimated result
1674 kcal/day
- Weekly basal energy
- 11716 kcal
An equation-based estimate, not a metabolic measurement.
SOURCES & REVIEW
Checked against official guidance
Last checked 14 July 2026 · Rule version GB-2026.27.1
NHS: Healthy weight ↗COMMON QUESTIONS
Frequently asked questions
Is this an exact quote or tax return?
No. It is an estimate based on the inputs and assumptions shown.
When was this checked?
The method and linked official guidance were reviewed for the current UK release.