Calorie Needs Calculator

Calculate Your Daily Calorie Requirement Online

Find out how many calories your body needs every day based on your age, body, activity level, and fitness goal.

  • Science-Based Formula
  • Instant Results
  • Personalised Goals
  • Secure & Private

Your Details

in KGs

Disclaimer: The Calorie Needs Calculator provides an estimate based on the Mifflin-St Jeor equation and standard activity multipliers. Individual calorie needs vary with body composition, medical conditions, and lifestyle. This calculator is for informational purposes only and should not be considered medical or dietary advice.

How Does the Calorie Needs Calculator Work?

Our Calorie Needs Calculator estimates your daily requirement in five simple steps.

Enter Your Basic Details

Provide your gender and age so the calculator can personalise your calorie estimate.

Add Your Height & Weight

These define how much energy your body needs at rest and during daily activity.

Select Your Activity Level

From sedentary to very active — choose the option that best matches your lifestyle.

Choose Your Goal

Lose, maintain, gain weight, or build muscle — your goal adjusts your daily calorie target.

View Your Calorie Needs

Instantly see your daily calorie range, macros, and personalised tips.

Why Use the Calorie Needs Calculator?

Knowing your daily calorie needs helps you eat smarter, train better, and stay on track with your health goals. Our calculator uses the science-backed Mifflin-St Jeor formula for accurate, personalised results.

Using the calculator can help you:

  • Know your daily calorie requirement instantly
  • Plan meals and fitness goals with science-based targets
  • Understand how activity level affects your energy needs
  • Adjust intake for weight loss, gain, or muscle building
  • Make smarter health and insurance decisions
Person planning healthy meals

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