How To Figure Carpentry Angles

The bevel square often referred to as an angle-finder is a short flat blade that swivels and locks on a handle.

How to figure carpentry angles. Showing simple ways of marking out checking and copying angles in woodwork projects using minimum tools. Two other videos available covering Marking Out. Start creating impressive woodworking and DIY projects wi.

With our angle set the next job is to actually measure it to find our 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. Angled bevel in place and tighten up fully to hold angle.

Call one leg the rise designating the height of the triangle and the other leg the run or the length of the triangle. 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.

Parallel the blade with any given angle either on paper or a wooden test piece. Turn the blade to match the angle on the wood. I show you how to use a speed square and a bevel gauge to capture transfer and measure angles.

Instead you simply use two legs of a triangle to measure and mark the angle. On a 30-degree bay enter 30 on your calculator then press the PITCH key. Then divide it by two to get the angle of the miter.

General contractor Tom Silva shows a quick and accurate way to cut perfect-fit mitersSUBSCRIBE to This Old House. Turn the nut to lock the blade in place once you got your angle. Place the bevel onto a flat surface with the stock at the base.