Best Carpentry Squares for Carpenter of 2025

Introducing the Thorvald Master Square - the ultimate 6-in-1 carpenter tool for woodworking enthusiasts. This versatile accessory combines a square, two protractors, three marking gauges, two rulers, a drill gauge, and a wrench, all in one convenient tool. With the Thorvald Master Square, you can save time and work smarter by easily measuring, tracing, and taking angles without the need for multiple tools. Made of 4mm-thick aluminum, this durable square features laser-engraved inscriptions that won't fade. The precise 1/16" graduations ensure accurate measurements for exceptional work. Plus, the included 2-in-1 carpenter pencil with a removable grip provides added comfort and versatility. Enjoy the convenience of having a whole toolbox in one square with the Thorvald Master Square.

IRWIN Carpenter Square is a professional-grade tool that features permanent deep stampings, rust-proof and weather-resistant steel body, and multiple scales including 1/8-, 1/10-, 1/12-, and 1/16-inch. This versatile tool also includes rafter tables, brace and octagon scales, and Essex board measure. With IRWIN Carpenter Square, you can make precise measurements and cuts for your carpentry projects. The permanent deep stampings ensure the durability of the tool, while the rust-proof and weather-resistant steel body makes it a long-lasting tool to have in your toolbox. The multiple scales and additional features make IRWIN Carpenter Square a valuable tool for carpenters of all levels.

The WORKPRO Rafter and Combination Square Tool Set is a durable and user-friendly tool set for carpenters. The rafter square is made of heavy-gauge aluminum alloy and has permanent deep markings and white graduations for maximum readability. The combination square has a 12-inch stainless steel ruler with 3 types of minimum scale values. The lipped fence on the rafter square allows for easy bracing flush with wood and the spring screw on the combination ruler makes it easy to detach the ruler for measurement. The set is versatile and can be used for cross-cutting lumber with accuracy.

The Mr. Pen 8x12 L Square Ruler is a great tool for carpenters, framers, and hobbyists alike. It features imperial units on one side with 1/16-inch graduations and metric units on the other side with mm graduations. The carbon steel material is sturdy and durable against rusting, and the bright white on black design makes it easy to read. Customers have praised its quality and accuracy, making it a great choice for any carpentry application.

The Mr. Pen Square Tool Set is a must-have for any carpentry project. This set includes a 12" combination square and a 7" rafter square. The 12" combination square serves as a level, depth gauge, and ruler, while the 7" rafter square acts as a straight edge for marking and sawing. With its spring-loaded brass bolt, the combination square ensures accuracy, and its stainless steel blade is precisely marked with inch and cm graduations for easy measurements. The rafter square, made of heavy-gauge die-cast billet aluminum alloy, is perfect for on-site use and comes with gradations for marking common, hip, valley, and jack rafters. Both tools are pocket-sized, making them convenient and easy to carry. The Mr. Pen Square Tool Set is a reliable and durable choice for all your woodworking needs.

The Swanson Tool Co S0101 7 Inch Speed Square is a pocket-sized tool that features multiple gradations for marking common, hip, valley, and jack rafters. It comes with a comprehensive guidebook and includes common features of 5 different tools, making it a versatile tool for every tradesman's tool bench. The 1/4-inch spaced scribing notches and the diamond cutout make it easy to use, and the black gradations against its non-glare, matte finish make for easy reading. It simplifies important tasks, and when used as a saw guide, it makes truing up a board easy.

The Swanson Tool Co., Inc SW1201K Value Pack 7 inch and Big 12 inch Speed Square is a great value pack for every carpenter, construction professional, roofer, and DIYer. With multiple gradations included, you can make the exact mark you need, and it's useful for determining angles and making square cuts on boards. The heavy-gauge billet aluminum alloy construction means you have a rugged tool, and its die-cast design provides increased and reliable accuracy. When used as a saw guide, the Speed Square makes truing up a board easy. Made in the USA since 1925, the Swanson Speed Square and the Big 12 Speed Square are the perfect squares for every project and job.

The Mr. Pen Square Tool is a versatile carpentry square that is a must-have for any woodworking project. With its compact 7-inch size, this triangle square easily fits in your pocket, making it convenient to carry around. The square features gradations for marking common, hip, valley, and jack rafters, allowing you to accurately determine and mark angles. The heavy-gauge billet aluminum alloy construction ensures increased accuracy over laser-etched and extruded stamped rafter squares. The high-visibility white gradations with a non-glare, matte finish make it easy to read in any lighting conditions. This multi-purpose square tool can be used for marking square and 45-degree lines, serving as a protractor saw guide, and finding roof pitch. With the Mr. Pen Square Tool, you'll have the convenience and accuracy you need for all your carpentry projects.

The Milescraft 8409 MC-Square150 is an aluminum framing and woodworking square with inside and outside scales for measuring and marking the inside and outside of your work piece. It features 6” (150mm) square with 1/4″ notch spacing, two quick angle finders for 30° and 45°angles, elongated notches for accurate line scribing, and anodized aluminum material with 3mm thickness. Customers have found it to be accurate and handy, but some have noted that it has a rough finish and may not be perfectly square.