# How To Figure Carpentry Angles

**Parallel the blade with any given angle either on paper or a wooden test piece.**

**How to figure carpentry angles**.
The Pitch and the Run.
On a 30-degree bay enter 30 on your calculator then press the PITCH key.
This video is very basic and for beginners.

If the bay is 45 degrees enter 45 and press the PITCH key. In this video I show how to find angles using a speed square. Thus each joint or corner forms an angle of 72 degrees.

In carpentry you usually do away with trigonometric functions to find angles. Then divide it by two to get the angle of the miter. Adjust this tool to measure angles for carpentry by loosening the lock nut on the bevel square.

The method consists of dividing 360 by the number of sides to determine the angle of the corner. Angled bevel in place and tighten up fully to hold angle. Leah demonstrates how to determine an angle without measuring when setting a porch post on a slanted surfaceThe level used in this video is an Empire Profe.

General contractor Tom Silva shows a quick and accurate way to cut perfect-fit mitersSUBSCRIBE to This Old House. Showing simple ways of marking out checking and copying angles in woodwork projects using minimum tools. If you do a five-sided project with all sides equal divide 360 by five to 72 degrees.

I show you how to use a speed square and a bevel gauge to capture transfer and measure angles. Length A m cm in ft Any angle can easily be created with a carpenters square and a straight board as indicated in the figure and table above. To find the angle set by your sliding bevel the best tool to use is a standard protractor.