engine volume cm3
number of cylinders
engine speed rpm

MAP mbar
air humidity %
IAT °C

IQ
mg/str

Calculator usage info

This calculator estimates air related parameters of engine and it is optimised for screen resolution at least 1024 x 768 Px. All values are calculated automatically on-the-fly once you input all data. You need to either press ENTER or click with mouse somewhere outside input windows after you have entered desired numbers.

For more info move/hoover mouse cursor over parameter text.

v0.1beta - please report bugs.

volume per cylinder cm3

engine air flow m3/min (without losses)
MAF g/s (without losses)
corrected MAF g/s (VE corrected)
MAF lb/min (without losses)
corrected MAF lb/min (VE corrected)

dry air density mg/cm3
humid air density mg/cm3

dry air mass in cylinder mg (without losses)
humid air mass in cylinder mg (without losses)
estimated engine VE %
dry air mass in cylinder mg (VE corrected)
humid air mass in cylinder mg (VE corrected)

IAT °K

dry AFR without losses
humid AFR without losses
corrected dry AFR VE corrected
corrected humid AFR VE corrected
dry Lambda VE corrected
humid Lambda VE corrected