BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford)
Four published resting-energy equations on the same inputs, with the spread shown — see how much 'your BMR' really varies.
Run any realistic profile and the four standard equations disagree by 50–200 kcal/day. That spread is the honest uncertainty of every calorie target derived from them — treat predicted BMR as a starting estimate to adjust against real-world observation over weeks, not a precision instrument.
Formula
For general information only — not medical advice, a diagnosis or a treatment plan. Consult a qualified healthcare professional before making health, diet, medication or exercise decisions.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Four published resting-energy equations on the same inputs, with the spread shown — see how much 'your BMR' really varies. The BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) is a free, private bmr comparison tool — every result computes instantly in your browser with no sign-up and no data upload.
About BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford)
Run any realistic profile and the four standard equations disagree by 50–200 kcal/day. It applies Four equations, identical inputs — the disagreement is the finding. Use the BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford)
- 1Enter your details in the BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford)?
- ✓Instant bmr comparison result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (Frankenfield D et al., J Am Diet Assoc 2005 — comparative validity)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) work?+
Run any realistic profile and the four standard equations disagree by 50–200 kcal/day. The calculation uses the formula: Four equations, identical inputs — the disagreement is the finding. Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) accurate, and what is it based on?+
The method is traceable to authoritative sources: Frankenfield D et al., J Am Diet Assoc 2005 — comparative validity. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This tool is for general information only and is not medical advice. Always consult a qualified healthcare professional before making health decisions.
What can I use the BMR Formula Comparison (Mifflin · Harris · Schofield · Oxford) for?+
It's commonly used for bmr comparison, which bmr formula, mifflin vs harris benedict. Four published resting-energy equations on the same inputs, with the spread shown — see how much 'your BMR' really varies.
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