Ignition timing
Degree > mm - mm > degree

Enter a number, then press the corresponding button, or enter data directly on the right.

Advance in degrees (angle α) (enter 1, 2, 3)
The result is in ° and hundredths of a °

Calculation of advance in millimeters from an advance in degrees

You have the advance to set in degrees and want to convert it to millimeters to adjust your ignition using a timing pin or a dial gauge.
You have the advance to set in millimeters and want to convert it to degrees!
You have the base ignition timing advance but want to determine the required advance for a long-stroke configuration! Enter the timing data in millimeters for a standard stroke to determine the advance in degrees. Then, input your current stroke/connecting rod length values with this advance in degrees, and the calculator will provide the required advance in millimeters for your long-stroke configuration.