Best Protractors & Set Squares of 2026

The Ainkou Clear Protractors offer clear and precise scales, marked every 10 degrees, allowing you to measure angles easily from left to right or right to left. Made from high-quality plastic, these protractors are lightweight and portable, so you can carry them around or store them without hassle. Their transparent design ensures you can see your measurements clearly, making it simple to read angles accurately. Sized at 4 inches, they cover a full 0 to 180-degree range, ideal for students, teachers, and professionals who need reliable angle measurement tools.

The 360 Degree Circle Protractor comes as a set of two, each with a 10cm diameter, making them perfect for precise angle measurements. Made from high-quality plastic, these protractors are sturdy yet lightweight, so you can easily carry them around or use them for extended periods without discomfort. Their smooth surface and clear markings ensure you can read measurements effortlessly. The swingarm feature acts as a straight-edge guide, helping you draw accurate angles from 0 to 360 degrees in both directions, ideal for schoolwork or office tasks.

The Liquidraw Geometry Set provides a complete maths kit essential for professional, school, or university use. It includes two set squares, a semi-circular and a full-circle protractor, plus a 12-inch ruler, all made from clear, strong plastic for durability and easy reading of your work beneath. The set features both millimetre and inch markings, allowing you to measure precisely and convert easily, perfect for maths, science, or design tasks. Lightweight and portable, this set is ideal for students and professionals who need reliable tools on the go.

The LICQIC 180° Protractors come in a pack of three, ensuring you always have enough for your needs. These protractors feature a clear and accurate scale with markings every 10 degrees, making it easy for you to measure angles precisely from either direction. Made from lightweight plastic, they are easy to carry and store, while the transparent design allows for effortless reading and measurement. Suitable for students, teachers, architects, and engineers alike, these protractors offer practical use in classrooms and professional settings.

The EBOOT Plastic Protractors come in a pack of 20, each measuring 4 inches (10 cm) in length, making them perfect to carry in your books, notebooks, or pencil case. The clear plastic material features bold black numbers that are easy to read, allowing you to measure angles quickly and accurately. Their half-round shape is a common, universal design that helps you solve everyday math problems with ease. These protractors are thick and durable, so you won’t have to worry about them snapping during use, ensuring long-lasting reliability.

The Ashton and Wright Protractors are lightweight and durable, making them ideal for classroom use. Their slim design ensures easy handling, while the clear markings allow for precise angle measurements, helping you achieve accuracy in your work. The protractors feature smooth edges, which provide safety and comfort, especially for children. With both ascending and descending degree markings, you can easily measure a range of angles, making these protractors a valuable tool for learning and creativity.

The MUKCHAP Plastic Protractor is crafted from high-quality, soft plastic that resists deformation and breakage, ensuring long-lasting use. Its semicircular 180-degree design allows you to measure any angle you need while saving space thanks to its compact shape. The protractor's clear material and bold black markings make it easy to read, so you can quickly and accurately measure angles. With 30 protractors included, each the perfect size for everyday tasks, this set is ideal for students, professionals, or hobbyists needing reliable angle measurement tools.