Calorie Calculator
Find out your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) to understand how many calories you need each day.
About This Calculator
The Calorie Calculator uses the Mifflin-St Jeor equation — widely regarded as the most accurate BMR formula — to estimate your Basal Metabolic Rate and Total Daily Energy Expenditure. It factors in your biological sex, age, height, weight, and activity level. The results include calorie targets for weight loss, maintenance, and weight gain. These are estimates; always consult a healthcare professional for personalized nutrition advice.
How to Use
- Enter your values in the input fields above
- Click the calculate button to see results
- Review your results displayed below the inputs
- Use the reset button to clear all fields and start over
Frequently Asked Questions
What is BMR?
Basal Metabolic Rate (BMR) is the number of calories your body needs at complete rest to maintain basic life-sustaining functions like breathing, circulation, and cell production.
What is TDEE?
Total Daily Energy Expenditure (TDEE) is your BMR multiplied by an activity factor. It represents the total calories you burn in a day including exercise and daily activities.
What formula does this calculator use?
It uses the Mifflin-St Jeor equation, which is considered one of the most accurate predictive equations for estimating calorie needs.
How accurate are the results?
The results are estimates based on population averages. Individual metabolism can vary due to genetics, muscle mass, hormones, and other factors. Consult a healthcare professional for personalized guidance.
Is this calculator free to use?
Yes! All calculators on Get Precision Calculator are completely free with no limitations or sign-up required.
Is my data saved or tracked?
No. All calculations are performed locally in your web browser. Get Precision Calculator does not store, collect, or track your calculation data.
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