Volumetric Efficiency Calculator

Calculate engine VE from airflow data to analyze breathing efficiency.

g/s
Liters
RPM
°F
inHg

Typical VE Values

Engine TypeVE Range
Stock N/A Engine75-90%
Mild Cam/Intake85-95%
Performance N/A95-110%
Race N/A (tuned runners)100-115%
Turbocharged100-200%+
Supercharged100-180%

N/A engines can exceed 100% VE due to intake runner tuning effects (ram air)