# How To Use A Speed Square

How to Use a Speed Square

A speed square is a versatile tool that can be used for a variety of tasks, including measuring angles, making straight cuts, and marking lines. It’s an essential tool for anyone who works with wood or metal. In this article, we’ll cover the basics of how to use a speed square.

## What is a Speed Square?

A speed square, also known as a rafter square or triangle square, is a measuring tool that is shaped like a right triangle. It has a lip along one edge that allows it to be easily held against the edge of a board or piece of metal. Speed squares are typically made of aluminum or plastic and come in a variety of sizes.

## How to Use a Speed Square for Measuring Angles

To use a speed square for measuring angles, place the lip of the square against the edge of the board or metal and align the 0-degree mark with the edge. Then, pivot the square until the desired angle is reached. You can use the degree markings on the square to ensure accuracy. Once the angle is set, you can use the square to mark the angle on the board or metal.

## How to Use a Speed Square for Making Straight Cuts

A speed square can also be used to make straight cuts. Simply align the lip of the square with the edge of the board or metal and use a pencil to mark the cut line along the edge of the square. Then, use a saw to make the cut along the marked line.

## How to Use a Speed Square for Marking Lines

To use a speed square for marking lines, place the lip of the square against the edge of the board or metal and use a pencil to mark the line along the edge of the square. You can also use the square to mark perpendicular lines by aligning the lip with the edge of the board or metal and using the other edge of the square to mark the line.

## How to Use a Speed Square for Finding Roof Pitch

A speed square can also be used to find the pitch of a roof. To do this, place the square on the roof with the lip against the edge of the roof. Then, read the pitch measurement on the square. This will tell you the angle of the roof and help you determine the materials needed for the job.

## How to Use a Speed Square for Cutting Rafters

If you’re cutting rafters for a roof, a speed square can be a valuable tool. To use it, place the square on the rafter board and align the pivot point with the edge of the board. Then, pivot the square until the desired angle is reached and use the degree markings to ensure accuracy. Once the angle is set, use the square to mark the cut line on the board.

## FAQs

### What is the difference between a speed square and a framing square?

A framing square is a larger, L-shaped tool that is used for laying out and cutting larger pieces of wood or metal. A speed square is smaller and more compact, making it easier to use for smaller tasks like measuring angles and marking lines.

#### How do I clean my speed square?

To clean your speed square, use a soft cloth and mild soap and water. Avoid using abrasive cleaners or harsh chemicals that could damage the markings on the square.

#### Can a speed square be used for measuring circular objects?

No, a speed square is not designed for measuring circular objects. For this task, you’ll need a compass or another tool designed for measuring circles.

#### Can a speed square be used for laying out stairs?

Yes, a speed square can be used for laying out stairs. To do this, you’ll need to use the rise and run scale on the square to determine the height and depth of each step.

## Conclusion

A speed square is a versatile tool that can be used for a variety of tasks. By learning how to use a speed square, you’ll be able to work more efficiently and accurately. Whether you’re a professional carpenter or a DIY enthusiast, a speed square is an essential tool to have in your arsenal.