Find | Known Values | Use Formula |
TPI | TPF | TPF / 12 |
L, D, d | (D - d) / L |
a | tan(2 x a) |
TPF | TPI | TPF x 12 |
L, D, d | 12 x ((D - d) / L) |
a | 24 x tan(a) |
D | d, L, TPF | d + (L x (TPF / 12)) |
d, L, TPI | d + (L x TPI) |
a, d, L | d + (2 x (tan(a x L))) |
d | D, L, TPF | D - (L x (TPF / 12)) |
D, L, TPI | D - (L x TPI) |
a, D, L | D - (2 x (tan(a x L))) |
L | D, d, TPF | 12 x (D - d / TPF) |
D, d, TPI | D - d / TPI |
a, D, d | (D - d / 2) / tan a |
TO | TPI, L | (TPI / 2) x LW |
TPF, L | (TPF / 12) x LW / 2 |
tan a | TPF | TPF / 24 |
TPI | (TPI / 2 |
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