Lean Bulk Calculator
Build muscle without excess fat.
Private by design — everything is calculated on your device, nothing is storedTry: Weight=75, Height=178, Age=28, Sex=male, Activity=1.55, Surplus=15 → 2,678 kcal, 15 %, 3,079 kcal, 150 g, 427 g, 86 g
How to use
Lean bulking uses a small surplus (~10–15%) and high protein so most of the gain is muscle, not fat. Same engine as the bulking calculator.
Formula
Intake = TDEE × (1 + surplus/100)
FAQ
Lean bulk vs dirty bulk?
Lean keeps the surplus small; dirty uses large surpluses and adds more fat.
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