BMR Calculator

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What is BMR?

BMR (Basal Metabolic Rate) represents the amount of energy (calories) your body needs at complete rest to maintain vital functions like breathing, circulation, and cell production. It accounts for about 60-75% of your daily energy expenditure.

Mifflin-St Jeor Equation

Calculated as: Men: 10 × weight (kg) + 6.25 × height (cm) - 5 × age (y) + 5; Women: 10 × weight (kg) + 6.25 × height (cm) - 5 × age (y) - 161. Higher muscle mass increases BMR since muscle burns more calories than fat even at rest.

Frequently Asked Questions

BMR is the baseline for your calorie needs. Knowing it helps you calculate your Total Daily Energy Expenditure (TDEE) and plan weight goals effectively.
Yes, BMR typically decreases as you age, primarily due to loss of lean muscle mass and changes in hormonal balance. Strength training can help mitigate this.

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