// Energy systems

TDEE Calculator

Estimate daily energy needs with the Mifflin-St Jeor formula, then compare practical calorie targets.

Add body fat for a more precise lean-mass estimate.

Activity level
Current goal

Daily target

2,779kcal / day
Basal metabolic rate
1,793
kcal / day
Maintenance TDEE
2,779
kcal / day

Calorie targets

Compared to TDEE

Daily macros

Based on 2,779 kcal · 30P / 40C / 30F

208g
Protein
278g
Carbs
93g
Fat

Estimates only. Individual metabolism varies. Use this as a starting point and adjust from real-world results over 2–4 weeks.