health

BMR Calculator for Men

Men's BMR calculator (Mifflin-St Jeor): enter age, height and weight for your basal metabolic rate, with Harris-Benedict and Katch-McArdle results.

Free online · Instant results

BMR = calories burned at complete rest. Mifflin-St Jeor is the most accurate for the general population (ADA recommendation); Katch-McArdle is better if you know your body fat %.

Age

Height (cm)

Weight (kg)

Body fat % (optional)

Mifflin-St Jeor BMR

1,568 kcal/day

Mifflin-St Jeor1,568 kcal

Harris-Benedict1,605 kcal

Katch-McArdleneeds body fat %

Lean body mass—

Step-by-step

1Mifflin-St Jeor (male): 10×65 + 6.25×170 − 5×30 + 5 = 1,568 kcal
2Formulas spread: Mifflin 1,568 / Harris 1,605 kcal
3Next step: multiply by activity factor (1.2–1.9) to get TDEE

Typical BMR reference (Mifflin)

Profile	BMR
M 25y 170cm 65kg	1,593 kcal
M 40y 172cm 75kg	1,630 kcal
F 25y 160cm 52kg	1,234 kcal
F 40y 162cm 60kg	1,252 kcal

💡 BMR is 60–75% of daily burn. Muscle is metabolically active: +1 kg muscle ≈ +13 kcal/day. Crash dieting below BMR triggers adaptive thermogenesis — weight rebounds faster.

Frequently Asked Questions

What is a typical BMR for men?▼

Adult men usually have a BMR of 1600-2000 kcal/day depending on weight, height and age. More weight means a higher BMR.

Which BMR formula is most accurate?▼

The Mifflin-St Jeor equation is the most accurate for modern populations. Katch-McArdle is best if you know your body fat percentage.

How do I use the BMR Calculator?▼

Open the page and fill in the input fields — results update automatically. Basal metabolic rate — Mifflin & Harris-Benedict equations.

Are the results accurate?▼

Results follow published international standards (WHO, ACE, IOM) and are for reference only.

Can this replace medical advice?▼

No. Always consult a qualified healthcare professional for health decisions.

💡

This is a dedicated variant of the BMR Calculator, pre-configured for this scenario with tailored FAQs.