Machinist's Calculator

Calculator for Machinists and CNC Programmers

Right Angle Triangle Calculations


Solve right angle triangle problems with this section of Machinist's Calculator! We've done the complicated trigononometry for you.
Windows version
Windows Right Angle Trigonometry
Mobile version
Mobile Right Angle Trigonometry
See also the oblique trigonometry page.
Machinist's Calculator for mobiles
Tap here for links to Machinist's Calculator for mobile devices.


Just enter the size of one angle and one side, or two sides to calculate the remaining dimensions.
The "Inch to mm" or "mm to Inch" options may be used to convert values from one system of measurement to another.
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!