BMR Calculator
Basal metabolic rate from Mifflin-St Jeor and revised Harris-Benedict. Optional Katch-McArdle if you type body fat. Not medical advice.
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How to use BMR Calculator
- Choose units first so the fields that apply to that job appear.
- Enter height (cm), feet, inches. Leave a field blank only when the page says the value is missing.
- Read the result rows under the form. Errors appear in the status line. Nothing is uploaded.
- Treat the figures as formula output, not a diagnosis, diet, pregnancy chart, or care plan.
BMR Calculator
Mifflin-St Jeor
| Computes | Basal metabolic rate from Mifflin-St Jeor and revised Harris-Benedict. Optional Katch-McArdle if you type body fat. Not |
|---|---|
| Includes | Mifflin-St Jeor |
| Includes | Harris-Benedict |
| Includes | Optional Katch |
| Engine | bmi |
| Upload | None |
| Advice | Informational only |
What BMR Calculator is
Mifflin-St Jeor: 10×kg + 6.25×cm − 5×age + 5 (male) or − 161 (female). Revised Harris-Benedict is shown beside it. Katch-McArdle uses lean mass if body fat > 0.
Informational only. Not a diagnosis, diet plan, pregnancy chart, or medical advice.
The formula runs in this tab. CZNull does not receive the numbers.
Entities and related jobs
Basal metabolic rate from Mifflin-St Jeor and revised Harris-Benedict. Optional Katch-McArdle if you type body fat. Not medical advice. Named features: Mifflin-St Jeor, Harris-Benedict, Optional Katch.
See also TDEE Calculator, BMI Calculator, Ideal Weight Calculator.
Use cases
Rough calorie-floor estimates. Athletes, pregnancy, thyroid disease, and children need clinical methods this page does not apply.
Not medical advice
Invalid input appears in the status line. IEEE floating point applies unless a row says otherwise. CZNull does not receive the numbers.