BMR Calculator

BMR & Calorie Calculator

Calculate your Basal Metabolic Rate (BMR) and daily calorie needs based on your personal factors and activity level

Your Information

Uses the Mifflin-St Jeor Equation for accurate results

Your Results

Basal Metabolic Rate (BMR)
0 calories/day
Your BMR is the number of calories your body needs at complete rest to maintain basic physiological functions like breathing and circulation.
Daily Calorie Needs
0 calories/day
This is your estimated daily calorie requirement based on your selected activity level. Consume this amount to maintain your current weight.
Weight Management

Weight loss: Subtract 500 calories/day for ~0.5kg loss per week

Weight gain: Add 500 calories/day for ~0.5kg gain per week

These are estimates. Individual needs may vary based on metabolism and other factors.

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Why use this tool?

Plans

Creating effective weight loss or weight gain plans

Energy

Understanding your body's energy requirements

Nutrition

Designing personalized nutrition plans

Lifestyle

Maintaining a healthy lifestyle

About the Basal Metabolic Rate (BMR)

Your Basal Metabolic Rate (BMR) is the number of calories your body needs to perform basic life-sustaining functions like breathing, circulation, and cell production while at complete rest.

This calculator also provides your total daily energy expenditure (TDEE), which is an estimate of how many calories you burn per day when exercise is taken into account.

Understanding your BMR is the first step toward managing your weight effectively and making informed decisions about your diet and exercise regimen.

How to Use Basal Metabolic Rate (BMR)

FAQs

What is BMR?

BMR (Basal Metabolic Rate) is the number of calories your body needs to accomplish its most basic (basal) life-sustaining functions while at complete rest.

Our calculator uses the Mifflin-St Jeor equation, which is considered the most accurate for estimating BMR for most people. However, remember that it provides an estimate—individual variations can occur.

You should recalculate your BMR if your weight changes significantly (5+ kg), if your activity level changes substantially, or every 3-6 months as part of tracking your health progress.

Yes, BMR can change due to factors like age, weight changes, muscle mass changes, hormonal factors, and overall health status.

You can increase your BMR by building muscle through strength training, eating enough protein, staying hydrated, and incorporating high-intensity interval training into your exercise routine.

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