Calorie Calculator

Free online Calorie Calculator.

Calculator

How to Use

  1. Enter the required values
  2. Click Calculate to see the result
  3. Review the detailed output

Formula

Mifflin-St Jeor: Men: BMR = 10xweight(kg) + 6.25xheight(cm) - 5xage + 5. Women: subtract 161. TDEE = BMR x Activity Factor (1.2-1.9).

Example Calculations

Weight Loss

Input: Male, 30yo, 180lbs, 5'10", moderately active

Result: TDEE: 2,658 cal, Weight loss: 2,158 cal/day

Maintenance

Input: Female, 25yo, 140lbs, 5'5", lightly active

Result: TDEE: 2,021 cal, Maintain: 2,021 cal/day

Weight Gain

Input: Male, 22yo, 150lbs, 5'9", very active

Result: TDEE: 3,012 cal, Gain: 3,512 cal/day

About This Calculator

Free online calorie calculator. Calculate instantly in your browser with our easy-to-use tool. No sign-up required.

Our calorie calculator is free, easy to use, and provides instant results. All calculations are performed in your browser for privacy and speed.

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Frequently Asked Questions

How many calories daily?

Depends on age, sex, weight, height, activity. Women average 1,600-2,400 and men 2,000-3,000 calories daily.

What is a calorie deficit?

Consuming fewer calories than burned. A 500-calorie daily deficit leads to about 1 pound loss per week.

How accurate are calorie calculators?

Estimates using Mifflin-St Jeor. Individual needs vary 10-20% due to genetics and metabolism.

What are empty calories?

Calories from high fat/sugar, low nutrition foods like soda, candy, and fried foods.

How to count calories?

Use a food diary or app, read labels, measure portions. Most people underestimate their intake.