BMR Calculator
Basal Metabolic Rate (BMR) is the number of calories your body needs to accomplish its most basic (basal) life-sustaining functions. Use our free tool to instantly estimate your BMR and understand your body's baseline calorie needs. For a complete health check, also use our Blood Pressure, Body Fat, and Macros calculators.
Your Details
Enter your details to calculate your BMR.
How to use BMR Calculator
- Select Units: Choose Metric (cm, kg) or Imperial (ft, in, lbs).
- Enter Details: Input your age, gender, height, and weight.
- Calculate: Click "Calculate BMR" to see your result.
- Understand: The result is the calories your body burns at rest daily. For total daily needs, try our Calorie Calculator.
Factors Influencing BMR
- Age: BMR decreases as you get older.
- Gender: Men generally have a higher BMR than women.
- Weight & Height: Larger bodies require more energy at rest.
- Muscle Mass: Muscle burns more calories than fat.