Calorie calculator | Track Your Daily Intake
Calculate your daily caloric needs with our tool. Get personalized estimates for maintenance, weight loss, or gain based on age, height, weight, and activity level. Manage your nutrition and reach your health goals.
What Is a Calorie Calculator?
Calorie Calculator
Your Results
Activity Level Multipliers
| Activity Level | Description | Multiplier |
|---|---|---|
| Sedentary | Sedentary (Little or no exercise): BMR × 1.2 - Office work, Desk job | × 1.2 |
| Light Activity | Light Activity (Exercise 1-3 times/week): BMR × 1.375 - Light walking, Golf, Yoga | × 1.375 |
| Moderate Activity | Moderate Activity (Exercise 4-5 times/week): BMR × 1.55 - Jogging, Light sports, Dancing | × 1.55 |
| Very Active | Very Active (Daily exercise or intense exercise 3-4 times/week): BMR × 1.725 - Hard training, Physical job | × 1.725 |
| Extra Active | Extra Active (Very intense exercise daily, or physical job): BMR × 1.9 - Professional athlete, Construction worker | × 1.9 |
Technical Details
This calculator uses the Mifflin-St Jeor Equation to estimate your basal metabolic rate (BMR):
For men: BMR = (10 × weight in kg) + (6.25 × height in cm) - (5 × age) + 5
For women: BMR = (10 × weight in kg) + (6.25 × height in cm) - (5 × age) - 161
| Nutrient | Calories per gram | Role in body |
|---|---|---|
| Proteins | 4 | Muscle building, repair, enzymes |
| Carbohydrates | 4 | Primary energy source, brain function |
| Fats | 9 | Energy storage, hormone production |
Different Calculation Methods
Mifflin-St Jeor Equation
Currently considered the most accurate method for estimating caloric needs
Harris-Benedict Equation
Classic formula, revised in 1984 for better accuracy
Katch-McArdle Formula
Considers lean body mass for more accurate results in athletic individuals
Tips for Success
Track Consistently
Use a food diary or app to track your daily calorie intake
Weekly Monitoring
Weigh yourself weekly rather than daily
Adjust as Needed
Monitor your progress and adjust your calorie intake based on results
Frequently Asked Questions
Understanding Calorie Counting and Weight Management
A Comprehensive Guide to Calories and Weight Loss
The Science Behind Calorie Counting
Understanding how calories affect your body weight
Understanding Your Results
Creating a Calorie Deficit
A deficit of 500 calories per day should result in approximately 1 pound of weight loss per week
Healthy Weight Loss Rate
A safe rate of weight loss is 0.5-2 pounds (0.23-0.91 kg) per week
Common Use Cases
Muscle Gain
Calculate surplus calories needed for muscle growth
Athletic Performance
Determine energy needs for sports and training
