Free BMR Calculator for Men 2026
Calculate your Basal Metabolic Rate (BMR) as a man. BMR is the number of calories your body burns at complete rest — just to maintain basic functions like breathing and circulation. The Mifflin-St Jeor formula for men: BMR = (10 × weight kg) + (6.25 × height cm) − (5 × age) + 5. For a 30-year-old man weighing 80kg at 178cm, BMR ≈ 1,870 calories/day. Multiply by your activity factor to find your total daily calorie needs. No sign-up required — your data never leaves your browser. Works instantly on desktop, tablet, and mobile. Completely free with no daily usage limits, no watermarks, and no account needed. Trusted by students, professionals, and businesses worldwide. FixFlowHub is a browser-based toolbox with 120+ free utilities covering PDF, image, text, calculator, and productivity tools.
Frequently Asked Questions
What is the average BMR for a man?
The average BMR for adult men ranges from 1,600 to 2,200 calories per day depending on weight, height, and age. A 35-year-old man weighing 75kg at 175cm has a BMR of approximately 1,800 calories/day using the Mifflin-St Jeor formula.
What BMR formula is most accurate for men?
The Mifflin-St Jeor equation is considered the most accurate BMR formula for most adults, preferred by the Academy of Nutrition and Dietetics over the older Harris-Benedict formula. It has a margin of error of about ±10% compared to laboratory-measured BMR.