Machinist's Calculator
Calculator for Machinists and CNC Programmers
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Circular Segment Calculations

Chord Calculator
This feature only available for Windows PCs and tablets.
Solve your circular segment problems with these formulas:

c = 2√ h(2r - h) 
r = (c2 + 4h2) / 8h
l = 0.01745ra
h = r - 0.5√ 4r2 - c2 
a = 57.296l / r
h = r[1 - cos(a/2)]
Or use this application to quickly calculate circular segment dimensions such as chord length, chord height, arc length, arc radius and included angle.
Values can be instantly converted between inch and metric systems.

Try it for FREE! Download the DEMO

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Machinist's Calculator is also bundled with the EditCNC g-code editor.