Calorie Calculator

Test our calorie calculator to know how much you have been eating – and whether it’s right for you. This quick calorie counter is just what you need to check to know if your diet’s right for you – or you need to change it.

Calorie Intake Guide: How Much Should You Eat?


  • Explanation of why calorie intake is important.
  • Brief overview of how calorie needs change with age, gender, and activity level.

Understanding Calories:

  • Definition of a calorie and its role in the body.
  • How calories are used by the body for various functions.

Factors Affecting Calorie Needs:

  • Age: How metabolic rate changes with age.
  • Gender: Differences in calorie needs between men and women.
  • Activity Level: How much energy different activities consume.


  • 18-30 years:
    • Sedentary: About 2,400 calories
    • Moderately active: About 2,600-2,800 calories
    • Active: About 3,000 calories
  • 31-50 years:
    • Sedentary: About 2,200 calories
    • Moderately active: About 2,400-2,600 calories
    • Active: About 2,800-3,000 calories
  • 51+ years:
    • Sedentary: About 2,000 calories
    • Moderately active: About 2,200-2,400 calories
    • Active: About 2,400-2,800 calories


  • 18-30 years:
    • Sedentary: About 1,800-2,000 calories
    • Moderately active: About 2,000-2,200 calories
    • Active: About 2,400 calories
  • 31-50 years:
    • Sedentary: About 1,800 calories
    • Moderately active: About 2,000 calories
    • Active: About 2,200 calories
  • 51+ years:
    • Sedentary: About 1,600 calories
    • Moderately active: About 1,800 calories
    • Active: About 2,000-2,200 calories

How to Calculate Your Needs

  • Step-by-step guide on calculating your own specific calorie needs using the Mifflin-St Jeor Equation or similar.
  • Importance of adjusting calorie intake based on weight goals (loss, maintenance, gain).

Adjusting Intake for Weight Goals:

  • How to increase or decrease calorie intake safely for weight management.
  • Importance of balanced nutrition while adjusting calorie intake.


Icy Health Editorial Team