Shop Trig
Bolt circles, sine bar stacks, tapers, dovetails over pins, chords and arcs. All angles in degrees.
Inputs
Results
| # | Angle | X | Y |
|---|
Inputs
Results
Inputs
Common references: 7/24 CAT/BT = 3.500 TPF · R8 = 16°51′ included · Morse tapers run ≈ 0.600–0.630 TPF (varies by number — check the spec for the one you have).
Results
Inputs
Convention matters here: W is measured at the reference surface the pins seat against — the wide face of a male dovetail, the narrow opening of a female. Angle is measured from that face. Verify the first part against a known-good measurement before trusting any dovetail setup.
Results
Inputs — enter any two
Solves the third from whichever two are filled. The classic use: find a radius from a chord and a depth mic reading.