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BMR Calculator

Basal Metabolic Rate calculation.

Audited & Calibrated: May 2026|100% Client-Side Private Processing
FT
IN
LBS

Estimation Settings

Calculated Output

Basal Metabolic Rate

1,717kcal/DAY

Basic maintenance at complete rest

Daily Calorie Projections

Activity Level

Sedentary (Little or no exercise)

2,060

kcal/day

Exercise (1-3 times/week)

2,361

kcal/day

Exercise (4-5 times/week)

2,507

kcal/day

Daily exercise (Or intense 3-4 times/week)

2,661

kcal/day

Intense exercise (6-7 times/week)

2,962

kcal/day

Very intense (Daily, or physical job)

3,262

kcal/day

Exercise Glossary

Exercise: 15-30 minutes of elevated heart rate activity.

Intense Exercise: 45-120 minutes of elevated heart rate activity.

Very Intense: 2+ hours of elevated heart rate activity.

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Basal Metabolic Rate (BMR) Calculator: Discover How Much Your Body Burns at Rest

Have you ever wondered how much energy your body uses just to "stay alive"? Even while you're sleeping or sitting still, your body performs complex vital processes like breathing, pumping blood, and regulating temperature. CalQube's Basal Metabolic Rate (BMR) calculator gives you the precise number of calories your body needs to perform these essential functions, a cornerstone of any successful diet.

What is Basal Metabolic Rate (BMR)?

Basal Metabolic Rate (BMR) is the minimum amount of energy (calories) your body needs to function at complete rest. In other words, if you spent the entire day in bed without moving, this is the number of calories your body would burn to keep your vital organs functioning.

How does CalQube calculate these results?

CalQube uses the Mifflin-St Jeor equation, which recent scientific studies have shown to be the most accurate predictor of metabolic rate.

Weight & Height

Determines the body mass required for energy expenditure.

Age

Metabolic rate tends to decrease gradually with age.

Sex

Biological differences in muscle mass composition affect resting burn.

The First Step Towards Change

Customize Your Diet

You can't manage what you can't measure. BMR is the foundation of your plan.

Understand Your Body

Explains why your needs differ from others based on biology.

Avoid Starvation

Determines your minimum intake to avoid energy conservation mode.

Tips to Increase Your Basal Metabolic Rate

If you find your metabolic rate is low, you can improve it by:

Building Muscle

Muscle tissue burns more calories than fat tissue, even at rest.

Consuming Protein

The body needs more energy to digest protein than fats and carbohydrates.

Drinking Water

Dehydration slows down metabolic processes, so use a water intake calculator.

FAQ

Is BMR different from TDEE?

Yes, BMR is your resting rate, while TDEE is total expenditure including physical activity.

Can I rely solely on calculations?

They are excellent estimates, but factors like thyroid status may cause slight variations.

Next Step

"Now that you know your basal metabolic rate, find out how many calories you burn during exercise."

Go to Activity Calories

Guidance Note:Results are mathematical estimates for guidance. They are not a substitute for medical testing. Consult your doctor before making significant diet changes.

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