The Best Large Protractor of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Large Protractor of 2025. Check our ranking below.
2,935 Reviews Scanned
Rank No. #1
16 inch Compass for Geometry, Compass for Woodworking, Precision Woodworking Compass with Wing Divider and Pencil Holder, Large Compass for Geometry, Woodworking Compass, Drafting, Drawing Compass
- 【Large size】：Professional All Metal Compass / 16", 20", 24" large size Divider For Woodwork, woodworking, metalworking, leatherworking, math, etc.
- 【Accurate】：Compass Legs are 16 inches long and can draw circles up to 35 inches (90 cm) in diameter. Designed with a pencil holder for easy replacement of pencils for sharpening (pencil not included)
- 【Easy to Use】：Woodworking Compass With Lockable Wing Design: adjust the circles to your needs. Simply loosen the lockable wings and tighten them.
- 【Widely Use】：Metal Compass can be used as a scribe or divider to quickly measure lengths and duplicate measurements.professional tools for carpenter and designer, ideal for woodworking, carpentry, metalworking and leather work
- 【Use professional tool material No. 45 steel】: 45# steel is a high-quality carbon structural steel, corresponding to Japanese standard S45C, American standard: 1045, German standard C45. It is characterized by higher strength and stronger deformation resistance than ordinary A3 steel. Moreover, the pointed parts of our products are quenched. The product is treated with soaked anti-rust oil before packaging, so it will not rust.
Rank No. #2
Learning Advantage Magnetic Dry Erase Protractor - Geometry Measurement Tool - for Whiteboards and Chalkboards - Teach Geometric Math Concepts - Angles and Shapes (7591)
- PRECISE PROTRACTOR -- This jumbo magnetic protractor includes markings up to 180 degrees, 10 inches and 30 centimeters. Illustrate math and geometry concepts like measurements, angles and shapes.
- MAGNETIC DEMONSTRATION TOOL -- This large protractor sticks to any magnetic surface. And the chunky handle is easy to manipulate. It’s a perfect tool for educators to present concepts to the class.
- DESIGNED TO LAST -- This teaching tool is made of sturdy, durable plastic. It’s designed to last for years of classroom or homeschool use.
- EASY-TO-READ MARKINGS -- Use the clearly labeled markings to accurately measure and mark various surfaces. Examine and compare different units of measurement.
- CORE CURRICULUM RESOURCES -- LEARNING ADVANTAGE supplies a wide range of teaching essentials. We support educators. At home or in the classroom—count on us for reliable, quality products.
Rank No. #4
Mr. Pen- Professional Large Compass for Woodworking, 12 Inch Compass with Wing, Compass for Geometry, Compass Drawing Tool, Woodworking Compass, Pencil Compass for Carpenter
- Professional All Metal Compass/Divider For Woodwork, Carpentry, Metal Work, Leather Work, Math, Etc.
- The Compass Leg Measure 12 Inch And Can Draw Circles Upto 30 Inch (76 cm) in Diameter
- Designed With A Pencil Holder To Easily Change The Pencil For Sharpening Purposes (Pencil Is Not Included)
- Can Be Used As A Scribe Or Divider To Quickly Measure lengths And Copy Measurements
- Lockable Sliding Nut Design Allows For Quick Leg Adjustment And Repeatable Measurements
Rank No. #5
Angle Protractor Angle Finder Ruler Two Arm Stainless Steel Protractor Woodworking Ruler Measure Tool with 0-180 Degrees(30 cm/ 11.8 Inch)
- 2-in-1 Design: the combination of ruler and protractor makes it can measure length (0-25 cm/ 0-10 inches) by fixed ruler and measure length (0-30 cm/ 0-12 inches) by moving ruler, semicircular protractor at the top can measure from 0-180 degrees left to right and right to left
- Precision tool: protractor and ruler of angle measure tool are precision laser etching, the readings are clear and accurate, easy to read, durable and convenient for your use
- Quality material: angle finder protractor is made of quality stainless steel, with well durability and wear resistance, not easy to rust, and can be applied for a long time, but notice that the peaked stainless steel border, please be cautious while using
- Adjustable protractor arm: angle is quickly and easily identified by knurling thumb nut locking in the desired position, you can fix the angle to plot, suitable for setting bevels, draw radial lines, measuring and marking angles
- Wide Usages: round head protractor is suitable for engineering, angle measurement, architectural design, carpentry, length measurement, ideal gift for craftsmen, architects and designers
Rank No. #6
Pacific Arc's 8 Inch Plastic Protractor Clear Ruler
- HIGH QUALITY PLASTIC- This protractor is made from high quality acrylic for a sturdy but beautiful protractor. The durability alone will make any situation a breeze. Its small size is perfect for storing in a pocket or bag.
- EASY TO READ GRADUATIONS- The etched on graduations make it easy to read for any measurement. A full 180 degrees reading two different directions makes it easy to create the perfect curve. The included ruler makes it easy to center up or to measure anything.
- ACCURATE AND LONG LASTING PRINTS- The easy to read and durable graduations are etched on to provide the best looking information. Accurate down to a single degree, never make an incorrect measurement again. This clear protractor is a must have for any engineer, architect, drafter, or student.
- GIFTING - The perfect gift for the student or professional in your life. Help them bring their ideas to life and remind them of you every time they sketch.
Rank No. #7
Roto Tape Compass | Rotating Tape Measure Beam Compass Alternative Circle Drawing Tool to Draw Arcs (Not 2 inches Short!)
- Use With A Standard Pencil: Don’t fuss with similar drawing compass tools or certain protractors that require you to use a custom lead writing utensil. Ours allows you to use any #2 pencil.
- Carry In Your Toolbox – Unlike a Beam Compass : Draw circles and arcs of varying radius’ with our retractable circle drawing tool that measures just 5” long when contracted.
- Use It For Variable Straight Edges Too: Just flip it over and our measuring tape compass becomes a straight edge tool. Mark your desired distance from an edge with ease.
- Metric And Imperial Measurements Up to 6ft Long: Unless you need a circle drawn with a diameter larger than 12 feet, Rocksteel’s rotating tape measure will get the job done.
- Measurement NOT OFF by 2 inches: The tape measure measures the distance from the center point where the pin is placed to where the pencil is. Some users are thinking the accuracy is off because the tape starts at ~ 2.5" rather than 0, it is inaccurate. However, that is the distance between pencil & center when the tape is fully retracted. See Image #2 for clarification.
Rank No. #8
Operitacx Large Protractor, Classroom Math Protractor, Teaching Magnetic Protractor, 180 Degrees Teacher Blackboard Drawing Tool Classroom Supply (19.6x11 inch)
- 【Teaching Protractor】This professional protractor is designed for math teachers to use in their lessons, making it an essential tool for any classroom.
- 【Teacher Tool】With this tool, teachers can easily demonstrate methods to solve geometry exercises and help students deepen concepts.
- 【Large Size Protractor】This protractor is made of high-strength plastic material, durable and long-lasting, ensuring it can withstand frequent use in the classroom. It measures 19.6x11 inches, making it perfect for teaching.
- 【Teaching Tool】This protractor tool is ideal for all levels of math courses, allowing teachers to effectively teach and demonstrate geometric problem-solving skills.
- 【Protractors for Classroom】The protractor's detachable handle makes it simple and convenient for teachers and students to use, ensuring it is a practical tool for any classroom.
Rank No. #9
Delgada 12 inch/300mm Digital Angle Finder Tool Stainless Steel Digital Protractor Angle Ruler Finder Tool for Woodworking with Zeroing and Locking Function Battery
- Digital protractor 2 in 1 function combination: Ruler and protractor combination for easy measuring inside and outside angles.This protractor makes precise, easy and fast measurements and can measure angle and length, which is very suitable for carpentry, construction or drawing
- High accuracy: The accuracy of this digital angle ruler is ± 0.3 degrees. Measuring range: 0-360 ° / 0.00 ° -999.9 °. Folded Length: 12 inches / 300 mm; Total Length: 600mm
- LCD display: The protractor has a clear, easy-to-read LCD display, and you don't need look and guess at the angle and length anymore.or read it easily,Digital protractor has lock and reverse angle functions that make all types of work easy and fast
- Locking Function: This protractor also has a holding function that can freeze motion to ensure accuracy. You can save a lot of time and energy
- Notices: Stainless steel edge is sharp, please be cautious while using and keep it away from children.scratches on rulers are resulted from touching with each other. it may appear on brand-new product
Rank No. #10
GemRed 82305 Digital Angle Finder GemRed Protractor Stainless steel 7inch 200mm (Black Button)
- PATENTED MEASURING TECHNOLOGY -- Ruler and protractor combination for easy measuring inside and outside angles.
- DURABLE RULERS -- Well-made stainless steel rulers and laser etched measurements offer clear reading and years' usage.
- HIGH ACCURACY -- Accuracy of this protractor is ±0.3 degree. It is a good choice for most projects like woodworking, crown molding and daily use. Folded length: about 7.5 inch/220mm.Total length 400mm.
- LOCKING FUNCTION -- For read it easily, GemRed angle finder could be locked at any angle. *NO REVERSE ANGLE/DISPLAY FUNCTION.
- BATTERY -- CR2032 battery. Package contains battery.
Last update on 2026-02-13 / Affiliate links / Images from Amazon Product Advertising API
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This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of Large Protractor has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Large Protractor?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Large Protractor.
- Customer Ratings: Number ratings grade Large Protractor objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Large Protractor.
- Product Quality: You don’t always get what you pay for with an Large Protractor, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Large Protractor is should be an indication of how long it will work out for you.
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