Best Plastic Carpentry Squares of 2026
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Plastic carpentry squares are versatile measuring tools used by carpenters, builders and DIY enthusiasts. Made from durable plastic, they come in a range of sizes and are designed to provide accurate measurements for a variety of tasks such as marking right angles, checking for squareness and measuring angles. These squares are lightweight, easy to handle and can withstand wear and tear. They are an essential tool for anyone involved in woodworking or construction projects, providing precision and accuracy to ensure a professional finish.
At a Glance: Our Top Picks
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9.8
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9.7
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9.5
Top 9 Plastic Carpentry Squares
OX Tools Trade Roofing Plastic Rafters Square Set
The OX Trade Rafters Square Set includes two squares, 180mm and 300mm, providing you with versatile measurement options for carpentry and roofing tasks. Made from heavy-duty ABS plastic, these squares are durable enough to withstand demanding construction environments. The easy-to-read gradations ensure you can make precise measurements and angle markings, enhancing your accuracy. Additionally, the wide base allows for a secure hold on materials, giving you stability during your projects, whether you're cutting or marking.
WORKPRO 180mm Speed Square and 300mm Set
The WORKPRO Square Set is a versatile carpentry tool kit designed for precision and ease of use. Made from high-quality aluminium alloy and stainless steel, the tools resist corrosion and offer durability, ensuring they won't easily break like plastic. The combination square includes a level, and laser-engraved scales enhance accuracy for your measurements. With its multifunctional design, you can effortlessly measure various angles and dimensions, making your woodworking projects more efficient. The user-friendly design allows you to quickly mark angles from 0 to 90 degrees, saving you valuable time during your work.
Adjustable Stainless Steel Combination Square Tool
The Auyuiiy Combination Square is a versatile measuring tool designed for accuracy and convenience. With its adjustable square head, you can easily mark 45 and 90-degree angles, making your carpentry tasks more efficient. The laser-etched measurements are clear and easy to read, ensuring precise readings in both metric and imperial units. Additionally, the built-in bubble level helps you achieve perfect alignment, while the durable stainless steel and zinc alloy construction guarantee longevity and reliability in your woodworking projects.
WORKPRO 12-Inch Adjustable Carpentry Square
The WORKPRO Carpentry Square is designed for high precision, featuring a spirit level and laser-engraved scales in both metric and imperial units. This ensures you can take accurate measurements for various projects. Crafted from sturdy stainless steel and zinc alloy, its durability means it won’t easily deform or rust, making it a reliable tool for any carpenter. The ergonomic handle allows for comfortable use, ensuring you can take measurements effortlessly. With its multifunctional capabilities, this tool is ideal for woodworking tasks, including measuring angles and lengths.
Eidoct Aluminium Carpentry Roofing Speed Square
The Eidoct Aluminium Speed Square is a high-quality tool crafted from aluminium alloy, offering excellent hardness and resistance to rust, so it lasts longer and withstands drops without deforming. Its clear and precise scale, printed with laser marking technology, allows you to draw accurate straight or curved lines with ease. The square features a horizontal base with one 90° and two 45° angles, making it simple to measure and mark angles accurately. Lightweight yet sturdy, this tool is perfect for precise right-angle measurements and a variety of carpentry or DIY tasks.
Smgda Aluminum Alloy 180mm Angle Triangle Ruler and 450mm T Square Ruler Set
OX Tools Pro Aluminium Rafters Square - 180mm
The OX Tools Rafters Square is built with a solid aluminium body, ensuring durability for demanding carpentry tasks. Its weather-resistant design means you can use it in various conditions without worrying about rust. The easy-to-read white laser etched numerals provide clear visibility, making measurements straightforward and accurate. With its multi-functional capabilities, you can use it for tasks like sawing, scribing lines, and pitching roofs, adding convenience to your projects.
Flintronic Aluminium Metal Triangle Ruler Set
The Flintronic Triangle Ruler is a professional tool designed for precision in woodworking. With a 180 mm metric scale, you can achieve accurate measurements and ensure perfect 90-degree angles, making it easier for you to create precise cuts and designs. Made from durable aluminium alloy, this ruler resists oxidation and provides longevity, giving you confidence in its reliability. Its multifunctional nature allows you to use it as a protractor, line scribe, and more, simplifying your toolkit and streamlining your carpentry tasks.
WORKPRO 2-Piece Carpentry Squares Set
The WORKPRO Carpentry Squares set includes an 8-inch try square and a 9-inch adjustable sliding bevel, both featuring stainless steel blades. The stainless rulers provide clear metric and imperial scales, making measurements easy for you. With the adjustable angle feature, you can quickly set the squares to any angle between 0 and 360 degrees, enhancing your precision. The high accuracy of ±0.3 degrees ensures you achieve perfect angles and lines in your woodworking projects.
Frequently Asked Questions (FAQs)
1. What is a carpenter square called?
The steel square is a tool used in carpentry. ... Today the steel square is more commonly referred to as the framing square or carpenter's square. It consists of a long, wider arm and a shorter, narrower arm, which meet at an angle of 90 degrees (a right angle).
2. What are squares used for in carpentry?
A square is a tool used for marking and referencing a 90° angle, though mitre squares are used for 45° angles. Squares see common use in woodworking, metalworking, construction and technical drawing. Some squares incorporate a scale for measuring distances (a ruler) or for calculating angles.
3. What are the four features of a carpenter's square?
One should not be fooled by the simplicity of its appearance, however: the carpenter's square contains numerous scales, including a diagonal scale, a board foot scale, and an octagonal scale.
During our plastic carpentry square research, we found 118 plastic carpentry square products and shortlisted 9 quality products. We collected and analyzed 46,287 customer reviews through our big data system to write the plastic carpentry squares list. We found that most customers choose plastic carpentry squares with an average price of £11.62.
The plastic carpentry squares are available for purchase. We have researched hundreds of brands and picked the top brands of plastic carpentry squares, including OX Tools, WORKPRO, Auyuiiy, Eidoct, Smgda.
Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.