try a thirty day free trial of editcnc,
gcode editor for
cnc programmers.
see it here

Convert between Cutting Speed and RPM
Convert between Feed per Rev and Feed Per Minute
Speed and Feed Calculations
This application is designed to make speed and feed calculations quick and easy.
Calculations can be done in either the inch or metric system.
No calculations can be done until a work diameter (lathe) or milling cutter diameter is entered.
To calculate RPM, enter the surface speed and click "Calculate Speed". To find a surface speed, enter the RPM and click "Calculate Speed".
Once an RPM has been calculated or typed in, you can calculate feed per rev or feed per minute by entering the known value and clicking "Calculate Feed"
You are welcome to use this online calculation any time. However, the Trades Math Calculator you can install on your PC is faster, and has more features than we can put on line.
Click this link to get more information and get the free thirty day demo: Trades Math Calculator demo.


try a thirty day
free trial of
connectcnc,
up/download cnc
files and dnc.
see it here
