# Question: What is the ratio for dovetail joints?

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For those of you unfamiliar with them, the angle at which dovetails are cut is usually referred to by ratio, for example, 1:7 or 1:6. To draw the angle, you layout a horizontal line with a vertical line intersecting it at 90 degrees.

## How do you calculate dovetail joints?

Mark out the two half-pins at the edges on the first piece of wood. The pins are the bits of wood between the tails so there are two half-pins; one each side. The general rule is that they measure half the thickness of timber plus around a mm, so the two dots on the shoulder line are 7mm in from each edge.

## What angle is a 1/8 dovetail?

7.1 degrees A 1:8 ratio – one unit horizontal with eight matching units drawn vertical – is an angle of 7.1 degrees.

## How do you layout a dovetail joint?

1:339:10How to lay out dovetails FAST and EASY! (Cut through and half-blind YouTube

## What does a 25% slope look like?

For example, a 25 percent slope is simply a ratio of 25:100. The 25 percent slope below shows that the slope rises . 25 inches for every inch of horizontal distance. The slope rises 2.5 centimeters or every 10 centimeters of horizontal distance, and it rises 1.25 inches for every 5 inches of horizontal distance.

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