Free Tool

Calculate your calories, macros and starting targets.

Estimate your BMR, maintenance calories, fat loss calories, aggressive fat loss calories, muscle gain calories and protein target using the Mifflin-St Jeor formula.

Theo Asamp Calorie Calculator

Mifflin-St Jeor BMR, maintenance, protein and fat loss targets.

Units

BMR

1,853 kcal/day

Maintenance

2,871 kcal/day

20,100 kcal/week

Protein Target

151g - 185g

1.8g-2.2g per kg bodyweight

Slow Fat Loss

0.25kg/week

Daily intake

2,596 kcal/day

Weekly intake

18,175 kcal/week

Daily deficit

275 kcal

Moderate Fat Loss

0.5kg/week

Recommended

Daily intake

2,321 kcal/day

Weekly intake

16,250 kcal/week

Daily deficit

550 kcal

Fast Fat Loss

0.75kg/week

Daily intake

2,046 kcal/day

Weekly intake

14,325 kcal/week

Daily deficit

825 kcal

Maximum Fat Loss

1kg/week

Aggressive

Daily intake

1,771 kcal/day

Weekly intake

12,400 kcal/week

Daily deficit

1,100 kcal

Recommended steps

8,000-12,000/day

Recommended cardio

3-5 sessions/week

Adjustment rule

Track for 2-3 weeks

This is an estimate. Track your weight for 2-3 weeks and adjust based on real progress.

Get The Full Fat Loss System