Calorie Calculator
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Calorie calculator inputs
Maintenance Calories2,728Calories/day
Basal metabolic rate1,760Calories/day · Mifflin-St Jeor
Activity factor1.550×Editable multiplier applied to BMR
Weekly maintenance energy19,096Calories/week
Estimated BMI25.1Screening metric, not a calorie input
Your editable daily calorie targets
These compare maintenance with the deficit and surplus entered in Calculation settings.
| Scenario | Daily energy | Maintenance |
|---|---|---|
| Weight-loss planning target−500 Calories/day | 2,228Calories/day | 82% |
| Estimated maintenanceNo adjustment | 2,728Calories/day | 100% |
| Weight-gain planning target+300 Calories/day | 3,028Calories/day | 111% |
Daily target comparison
Targets use the deficit and surplus you entered.
BMR formula comparison
Same entries, three published equations.
Adult educational estimate only. Calorie needs vary and can change over time. Do not use this calculator for children, pregnancy, breastfeeding, illness, eating-disorder care, or medical nutrition therapy.
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