Fitness Tool
Calorie Calculator workspace
Estimate BMR and maintenance calories using age, weight, height, sex, and activity level.
BMR
1,669 kcal/day
Estimated resting calorie need.
Maintenance calories
2,295 kcal/day
Estimated daily calories for weight maintenance.
Health notice
Method used: Mifflin-St Jeor BMR estimate with activity multipliers. This tool is a non-diagnostic estimate for educational use only and is not medical advice. Consult a qualified doctor or registered dietitian for accurate, personalized guidance.
Formula and method
Calorie Calculator applies the formula BMR (male) = 10×weight + 6.25×height − 5×age + 5 | BMR (female) = 10×weight + 6.25×height − 5×age − 161 | TDEE = BMR × Activity to your entered values and returns an immediate result that matches this tool's use case.
Example calculation
These examples show realistic calorie calculator scenarios so you can validate inputs and interpret outputs with confidence.
Example 1
A 30-year-old male at 72 kg and 175 cm on a lightly active schedule has an estimated daily maintenance calorie target.
Example 2
Adjust activity level from sedentary to moderately active to see how maintenance calories change.
Calorie Calculator FAQ
What is BMR?
BMR (basal metabolic rate) is the estimated number of calories your body needs at rest to maintain basic physiological functions.
What formula does this use?
The calculator uses the Mifflin-St Jeor formula, which is widely considered a reasonable estimation method for general planning purposes.
Related tools
calculator
BMI Calculator
Estimate BMI with additional waist and hip screening metrics for a broader non-diagnostic health-risk snapshot.
Open tool
calculator
Pace Calculator
Calculate running pace per kilometer and average speed from distance and total elapsed time.
Open tool
calculator
Water Intake Calculator
Estimate daily water intake target using body weight for a practical hydration baseline.
Open tool
calculator
Ad Spend Calculator
Reverse-plan required ad budget from target attributable revenue and expected ROAS.
Open tool
calculator
Age Calculator
Calculate exact age in years, months, and days from any date of birth.
Open tool
calculator
Amazon Fee Calculator
Estimate Amazon seller profitability after referral fee, closing fee, product cost, and shipping.
Open tool