Machinist's Calculator

Calculator for Machinists and CNC Programmers

Bolt Circle Calculations

The function of the bolt circle calculator enables the machinist to calculate X and Y coordinates for points arranged equally spaced in a circle.

Windows version
Machinist's Caclulator
Mobile version
Calculate bolt circle coordinates
Machinist's Calculator for mobiles
Tap here for links to Machinist's Calculator for mobile devices.
Copy those coordinates to the clipboard (PC version) ready to send to your printer or paste into a CNC program.
Optionally, you can insert a line of text (such as a sub routine call) between each coordinate line.
For manual machine users, the coordinates can be printed on your computer's printer.

To download the free, fully functioning demo to your PC, go to the Machinist's Calculator web site on your Windows computer. Explore all of the Machinist's Calculator's time saving functions.You'll spend a lot less time leafing through reference books!