Trades Math Calculator logo
Machine Shop Calculator

Trades Math Calculator has been discontinued.

Try Machinist's Calculator as an alternative.

To get support for Trades Math Calculator you MUST include your order number with the query.

The function of the keyseat calculator application is to help the machinist to easily calculate the values required to cut keyseats and keyways.

Just enter the size of the key and shaft, then click "Calculate".

As with all functions of the Machinist's Calculator, linear values can be converted between inch and millimeters, including the x,y coordinates in the answer.

Try it for FREE!
Download the DEMO

Keyway in shaft calculator