Body Metrics Calculators
BMR Calculator
Estimate resting calorie burn with Mifflin-St Jeor or a body-fat-aware formula.
Page structure
Built for a fast answer first, then a calmer second read.
This calculator page is intentionally layered: quick input and output up top, then a deeper pass through formulas, worked examples, FAQs, and related tools.
Result
Resting calories
1,699 kcal/day resting energy
BMR is your baseline burn at rest. It is not automatically your eating target.Results explained
- Use BMR as the floor, then apply activity to estimate maintenance calories.
- Body-fat based estimates are often more useful for trained people.
- Dieting, sleep, training load, and age can shift your real-world expenditure.
Best used for
Clearer context before the number
Great top-of-funnel entry for people who want to understand baseline energy needs before using TDEE.
Coverage
Tags and page signals
caloriesbody metricsmaintenance
Formula & steps
BMR formulas used
- Mifflin-St Jeor uses sex, age, height, and weight.
- Katch-McArdle uses lean mass when body fat is known.
- BMR estimates rest-only energy, not total daily needs.
Examples
Quick scenario checks
- 175 cm
- 75 kg
- body fat unknown
Mifflin estimate for resting burn.
- 165 cm
- 60 kg
- 22% body fat
Body-fat-aware estimate gives a useful cross-check.
FAQ
Questions worth ranking for
Each calculator page keeps its own compact FAQ block to widen long-tail coverage.
BMR vs TDEE?
BMR is rest-only; TDEE adds movement, training, and daily activity.
Can dieting lower BMR?
Adaptive responses can reduce expenditure, especially after long or aggressive dieting.
Should I eat at my BMR?
Usually no. Most people need more than BMR to maintain normal life and training.