Machinist Calculator has been developed to quickly solve common machine shop math problems such as trigonometry, speeds and feeds, bolt circles, and much more. Get your free demo now.

Tapered Shafts and Pins


The taper calculator makes it easy to get all of the dimensions required to make and measure a tapered shaft or tapered pin.

  • Convert inch per foot taper to included angle or angle per side
  • Convert angle to inch per foot
  • Convert inch per foot to taper ratio (metric tapers)
  • Convert taper ratio to angle
You can also convert between inches and millimeters.

Calculations for tapers on shafts and pins