What is the Calorie / BMR Calculator?
Estimate basal metabolic rate and daily calorie needs using the Mifflin–St Jeor equation. Use it for a quick, transparent result, then review the method and boundaries below before relying on the answer.
Formula
The calculator keeps full precision during the calculation and rounds the displayed result for readability.
Practical example
A 30-year-old man weighing 75 kg and 175 cm tall has an estimated BMR of 1,699 kcal/day.
How to use this in Excel
Place the inputs in the cells referenced below, enter the formula, and apply the appropriate number format.
Male: =10*A2+6.25*B2-5*C2+5; Female: =10*A2+6.25*B2-5*C2-161Review units and cell references before copying the formula down a worksheet.
Common mistakes and limitations
- Confusing BMR with total daily energy expenditure.
- Using pounds and inches without conversion.
- Creating an aggressive calorie target without professional advice.
Important limitation: This is a population estimate, not a medical or nutrition prescription. Metabolism, activity and health conditions vary.
Frequently asked questions
How does the Calorie / BMR Calculator work?
BMR for men = 10W + 6.25H − 5A + 5; for women = 10W + 6.25H − 5A − 161, with kg, cm and years.
Can I use the Calorie / BMR Calculator in Excel?
Yes. A practical Excel formula is Male: =10*A2+6.25*B2-5*C2+5; Female: =10*A2+6.25*B2-5*C2-161. Check cell references and format percentage or date results appropriately.
What should I check before using the result?
This is a population estimate, not a medical or nutrition prescription. Metabolism, activity and health conditions vary.
Does TechShift Digital store my entries?
The calculation runs in your browser. This update does not add a server-side submission or account requirement; avoid entering sensitive information on shared devices.
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