BMR Calculator

Quickly calculate your Basal Metabolic Rate (BMR) with Calculator Hub HQ. Estimate how many calories your body needs at rest and plan your health and fitness goals.


What Is a BMR Calculator?

Your Basal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic bodily functions—like breathing, circulation, and cell production—while at complete rest. The BMR Calculator by Calculator Hub HQ estimates your calorie burn based on your age, gender, height, and weight, helping you build a strong foundation for your weight loss, maintenance, or muscle gain goals.


BMR Calculator

15 - 80
cm
kg
- Settings
Results unit:
BMR estimation formula:
%

Why Use Calculator Hub HQ’s BMR Calculator?

  • Instantly Calculate Your Resting Calorie Burn
  • Personalized for Age, Gender, Height, and Weight
  • Supports Metric and Imperial Units
  • No Login or Signup Needed – 100% Free
  • Ideal for Weight Management & Fitness Planning

How the BMR Calculator Works

Using scientifically backed formulas like the Mifflin-St Jeor Equation, our tool calculates your BMR based on:

  1. Age
  2. Gender
  3. Weight (in lbs or kg)
  4. Height (in ft/in or cm)

Once you enter these details and click “Calculate,” you’ll receive your daily BMR value—the number of calories you’d burn at rest in a day.


What You Can Learn from Your BMR

Knowing your BMR helps you:

  1. Understand how many calories your body needs to survive
  2. Set realistic calorie goals for weight loss or gain
  3. Calculate Total Daily Energy Expenditure (TDEE)
  4. Create balanced nutrition and fitness plans

Who Should Use This BMR Calculator?

  • Individuals starting a weight loss or gain journey
  • Fitness enthusiasts planning calorie-based diets
  • Nutritionists and health coaches
  • People tracking their energy expenditure
  • Anyone curious about their body’s metabolism

Frequently Asked Questions

What is BMR?

BMR stands for Basal Metabolic Rate. It’s the number of calories your body burns while at complete rest, maintaining vital functions.

How is BMR different from TDEE?

BMR only includes resting calorie burn, while TDEE (Total Daily Energy Expenditure) includes calories burned from physical activity.

Is this calculator accurate?

Yes, it uses the scientifically validated Mifflin-St Jeor formula for reliable BMR estimates.

Is the BMR Calculator free to use?

Absolutely! At Calculator Hub HQ, all our tools are free, fast, and require no registration.


Take the First Step in Your Fitness Journey with Calculator Hub HQ

Whether your goal is to lose fat, gain muscle, or simply understand how your body uses energy, knowing your Basal Metabolic Rate (BMR) is essential. Use the BMR Calculator from Calculator Hub HQ to get personalized, accurate results and take control of your health.

Start now and empower your fitness plan with precision — only at Calculator Hub HQ, your go-to source for reliable health, finance, and lifestyle calculators.