Ignition Parameters - 4 cycle engines

(Engine Inputs):
RPM : Number of Cylinders :
Calculate

(Results):
Revolutions/Second :
A millisecond is 1/1000 (one thousandth) of a second.
Time Per Crankshaft Revolution: Seconds Milliseconds
Firings/Minute : Firings/Second :
Time Between Firings : Seconds Milliseconds
There are 360 crankshaft degrees per revolution.
Crankshaft Degrees Between Firings :
A microsecond is 1/1000000 (one millionth) of a second.
Time Per Crankshaft Degree : Seconds Microseconds
One full combustion cycle (720 crankshaft degrees, 2 revolutions) Seconds Milliseconds