This online calculator is designed to calculate an addendum of a gear.

Addendum of a gear is the height of the tooth above the pitch circle.

The formula for calculating addendum of a gear is presented below:

where a -  addendum of a gear,
         P -  diametral pitch.

In order to calculate the addendum of a gear, enter the known value of diametral pitch P and click the "CALCULATE" button.

Diametral Pitch P =
	1 2 3 4 5 6 7  (Decimal Places)
Result =

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