Best Protractors of 2025
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Protractors are essential tools for anyone who needs to measure angles with precision. They are commonly used in mathematics, engineering, and drafting. Protractors come in different shapes and sizes, but they all have a common purpose: to measure angles accurately. Some protractors have additional features like rulers or spirit levels, making them even more versatile. Whether you are a student, a professional, or a hobbyist, a protractor is a must-have tool in your collection of office products.
At a Glance: Our Top Picks
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Top 10 Protractors
24 Pack Plastic Protractors
The EBOOT 24 Pack Plastic Protractors are a versatile and essential tool for any student or engineer. With a range of 0 to 180 degrees and an accuracy of 1 degree, these protractors are perfect for measuring angles in a variety of applications. The clear plastic construction allows for easy visibility of words, letters, and figures on the page. The protractors also feature an open center and a 6-inch ruler across the base, making them convenient for both measuring and graphing. With 24 protractors in each pack, you'll have more than enough to last a long time. Whether you're a student, teacher, or professional, the EBOOT 24 Pack Plastic Protractors are a must-have tool.
eBoot 50 Pack Math Protractors
The eBoot 50 Pack Math Protractors are a versatile math tool that can be used for painting, measuring, homework, and technical drawing. With a pack of 50 protractors, you can easily share them with your friends and classmates. Made of sturdy plastic, these protractors are not easy to snap, ensuring long-lasting use. The black accurate numbers on the protractors are clear and easy to identify, allowing you to read quickly and with great accuracy. With their common shape, these plastic protractors are universal and can be applied to solve math problems frequently. The 4-inch size makes it convenient to put them on your books, notebooks, and pencil case.
EBOOT Plastic Protractor 180 Degrees, 6 Inch, Clear, Pack of 2
The EBOOT Plastic Protractor is a set of two 6-inch protractors that are perfect for geometry drawing and math classes. With a measuring range of 0 to 180 degrees, these protractors make it easy to measure angles and lengths quickly. The inch and centimeter marks on the protractor further enhance its usability. Made of clear plastic with a hollow center, these protractors are easy to grip and carry in your bag or pencil case. Whether you need them for painting, measuring, or technical drawing, these ruler protractors are suitable for a wide range of applications. You can even share them with your friends and classmates.
6-Inch Translucent Protractors for Geometry
These 6-inch translucent protractors come in a set of 6 different colors, making them perfect for children's school supplies or any classroom setting. Made of durable transparent plastic, they are lightweight and easy to carry in a pencil case or backpack. They have numerical degrees on both sides of the clear half-circle, ranging from 1 to 180 degrees, and a small hole in the bottom center to draw angles. These protractors help cultivate children's sensitivity to geometry and drawing and can be used for measuring angles and drawing straight lines and geometric figures.
Student Geometry Math Set with Drawing Compass and Protractor
This Student Geometry Math Set comes with a drawing compass and a 6-inch clear swing arm protractor with a range of 0 to 180 degrees. The compass is stored in a clear box and comes with 1 piece of geometry compass and 1 box refill, making it easy to organize and carry. The protractor is made of plastic with clear inch and centimeter marks up to 6 inches and 10 cm respectively. Additionally, the clear color of the protractor allows for easy reading of words, letters, and figures on the page.
Mr. Pen Protractor, 6 Inches Protractor
The Mr. Pen 6-Inch Protractor is a pack of three protractors made with transparent clear plastic. With easy-to-read inch and centimeter markings, this protractor ensures accurate measurements for all your projects. The prints on the protractor are long-lasting, guaranteeing durability for extended use. Measuring at 6 x 3 x 1/8 inches, this protractor is compact and easy to carry around. Whether you're a student or a professional, the Mr. Pen 6-Inch Protractor is a convenient tool that will help you accurately measure angles and complete your tasks with ease.
Zonon 100 Pcs Clear Protractors
The Zonon Clear Protractors set includes 100 durable plastic protractors, making them perfect for various tasks like drawing, measuring, and homework. With a compact 4-inch size, they easily fit in your books and pencil cases, ensuring you always have a reliable tool on hand. Their sturdy design means they won't easily break, providing peace of mind during use. The clear black numbers are easy to read, allowing you to measure angles accurately and efficiently. This set is an excellent choice for students, teachers, or anyone needing precise measurements.
30PCS Clear Plastic Student Math Protractor
This set of 30 high-quality, clear protractors are made of plastic and measure 6 inches in length. They have a range of 0 to 180 degrees with a minimum accuracy of 1 degree, and each 10 degrees have a clear line to distinguish. The clear color allows you to see words, letters, and figures through the protractor, making measuring easier. They are lightweight and easy to carry, making them perfect for use in geometry drawing and math class, as well as technical drawing, graphing of engineering, and student work.
eBoot Plastic Protractor 180 Degree
The eBoot Plastic Protractor 180 Degree is a set of two protractors, measuring 6 inches and 4 inches. Made of clear plastic, these protractors allow you to measure angles from 0 to 180 degrees in both directions. The 6-inch protractor is equipped with inch and centimeter marks, making it easy to measure angles accurately. The smaller 4-inch protractor is convenient to use and perfect for on-the-go measurements. Whether you're a student, teacher, or professional, these protractors are essential tools for geometry, math, engineering, and more. With their durable plastic construction and clear design, the eBoot Plastic Protractor 180 Degree set offers precision and convenience for all your angle measurement needs.
Virginia's Store 360-Degree Protractor Pack
This Virginia's Store Protractor Set includes 24 protractors, each measuring 12.5 cm in diameter and featuring a full 360-degree scale. The clear, shatter-resistant plastic design allows you to easily read the markings, which are incremented by 1°. This precision is ideal for students and professionals alike, enabling accurate measurements in various projects. Whether you're working on geometry homework or crafting designs, these protractors provide the clarity and durability you need, making them a valuable addition to your toolkit.
Frequently Asked Questions (FAQs)
1. What are the two types of protractors?
There are two types of protractors: semicircular and circular. The semicircular protractor measures angles from 0 to 180 degrees, while the circular protractor can measure angles from 0 to 360 degrees (a full turn).
2. Are protractors still used in school?
Yes, protractors are still used in schools. They are required tools for students in grades 4-7 and are allowed but not required in grade 8 and high school. Protractors are commonly used to measure and draw angles in math and geometry classes.
3. What do we use protractor for?
Protractors are handy tools used to measure and draw angles. The most popular types are the semicircular and circular protractors. They have two sets of numbers, ranging from 0° to 180° and 180° to 0°, allowing for accurate angle measurements and drawings.
4. What grade do students start using protractors?
Students typically start using protractors in the 4th grade. At this stage, they begin learning about different types of angles and advance to measuring angles using tools like a protractor.
5. Are protractors allowed on the AMC?
Yes, protractors are allowed on the AMC (American Mathematics Competitions) test. Along with other tools like rulers, compasses, and erasers, protractors can be used during the test. However, calculators are not required, and figures in the test may not necessarily be drawn to scale.
During our protractor research, we found 24 protractor products and shortlisted 10 quality products. We collected and analyzed 54,255 customer reviews through our big data system to write the protractors list. We found that most customers choose protractors with an average price of $5.95.
The protractors are available for purchase. We have researched hundreds of brands and picked the top brands of protractors, including EBOOT, Zonon, Mr. Pen, PARAOR, Virginia's Store. The seller of top 1 product has received honest feedback from 981 consumers with an average rating of 4.9.
Rebecca Cantu grew up in a family-owned retail store for home and kitchen products. She worked online and gave assistance to people to buy ideal products for their sweet home after graduating from Northwestern University with a marketing degree. She has been writing content for online shopping guides since 2011 with her professional knowledge and natural sensitivity of appliances.