What does the BMR Calculator work out?

Basal metabolic rate, the calories you burn at rest. It is one of the Health & Fitness tools on Mondo Knows.

How is the BMR Calculator calculated?

The maths is short enough to check by hand: Mifflin-St Jeor: 10w + 6.25h - 5a + s.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

BMR Calculator

Basal metabolic rate, the calories you burn at rest. Use the free bmr calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Units

Sex

Age

yrs

Height

Inches, or centimetres.

Weight

Pounds, or kilograms.

Mondo says

BMR

1,737 cal/day

Sedentary needs2,085 cal/day

Moderately active2,693 cal/day

Very active2,997 cal/day

The formula

Mifflin-St Jeor: 10w + 6.25h - 5a + s

BMR Calculator: common questions

What does the BMR Calculator work out?: Basal metabolic rate, the calories you burn at rest. It is one of the Health & Fitness tools on Mondo Knows.
How is the BMR Calculator calculated?: The maths is short enough to check by hand: Mifflin-St Jeor: 10w + 6.25h - 5a + s.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo also knows

Calorie CalculatorDaily calories for losing, keeping or gaining weight.🌿 Health & Fitness TDEE CalculatorTotal daily energy expenditure from your activity level.🌿 Health & Fitness BMI CalculatorBody mass index with a healthy-range read-out.🌿 Health & Fitness Body Fat CalculatorBody fat percentage from simple tape measurements.🌿 Health & Fitness

Facts that connect to the bmr calculator

Short, sourced facts that point back to this tool.

The stomach regenerates its mucous lining every few daysEpithelial cell renewal prevents stomach acid from digesting stomach walls The liver performs over five hundred essential body functionsFiltering blood detoxifying chemicals and synthesising vital proteins The pancreas produces digestive enzymes and regulatory hormonesIslet cells secrete insulin and glucagon to control blood sugar levels The thyroid gland regulates overall cellular metabolism rateButterfly-shaped neck gland secretes thyroxine to control energy usage

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.