Best Starrett Protractors in 2026
Daisy
Last Updated: Aug 10, 2026
Daisy
Last Updated: Aug 10, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CHEN GU | 9.94 | ✅ | ✅ | ✅ |
Measuring range: protractor measures 0 to 180 degrees left to right and right to left; Protractor with inch and centimeter marks makes measuring easy
2 Pack protractors: practical quantity, you can leave one at home and put the other at school or office; Appropriate size to use for geometry drawing and math class
Size and material: the size of the plastic protractor is 6 inch, color is clear; With hollow center, the student protractor is easy to grip
Use easily: you can use the geometry protractors to get the angle and length quickly; Easy to carry in bag, pencil case, math tool case, backpack, etc.
Wide application: the ruler protractors are suitable for painting, measure, homework, technical drawing; You can send them to your friends and classmates
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tatuo US | 9.93 | ✅ | ✅ | ✅ |
Material: plastic; Color: clear
2 Pieces Protractors, 6 inch and 4 inch
Protractor measures 0 to 180 degrees left to right and right to left
6 Inch protractor with inch and centimeter marks makes measuring easy
4 Inch protractor is small and convenient to use
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jovitec Us | 9.94 | ✅ | ✅ | ✅ |
28 Pack plastic protractors: made of clear plastic with smooth surface, durable; The black marking is not easy to abrade and adequate quantity can serve for a long time
Clear protractor: transparent color allow you to see the words, letters, figures through the tool, you can get the information accurately and quickly
Proper size: the bottom side length is 10 cm, 4 inch proper size for carrying conveniently and make it easy to put on your books, notebooks and pencil case
Good design: range of 0 to 180 degree, accurate to 1 degree, each 10 degree have a clear line to distinguish, helps you deal with the math problems efficiently
Practical measure math tool: the geometry protractors are suitable for painting, measure, homework, technical drawing; Abundant bulk, you can send them to your friends and classmates
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jovitec Us | 9.94 | ✅ | ✅ | ✅ |
Measure math tool: the geometry protractors are suitable for painting, measure, homework, technical drawing; You can send them to your friends and classmates
50 Pack protractors: the material is plastic; The bottom side length is 10 cm, 4 inch size make it easy to put on your books, notebooks and pencil case
Sturdy protractors: this clear plastic protractor is thick enough, thus they are not easy to snap; Abundant bulk, total: 50 pieces
Black accurate number: the black numbers are clear and easy to identify, then you can read quickly with great accuracy
Common protractor: the plastic protractors are the common shape protractor, it's universal, you can applied to settle the math problems frequently
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CHEN GU | 9.94 | ✅ | ✅ | ✅ |
Integrated compass package: compass comes with a clear box, contain 1 piece geometry compass and 1 box refill packaged in a transparent box, convenient for organized and carry. Reminder: Before using the compass, please install the pencil lead to avoid unusable.
Warm notice: if you receive the product and found the screw of compass is loose, do not worry, it is not a quality problem; The loose screw makes it easier for you to turn the pencil lead down; You can tighten the screw after using pencil lead replace divider part
Integrated compass package: compass comes with a clear box, contain 1 piece geometry compass and 1 box refill packaged in a transparent box, convenient for organized and carry
6 Inch protractor: made of plastic, inch marks is up to 6 inch, centimeter marks is up to 10 cm; Range of 0 to 180 degrees, and clear color allow you see the words, letters, figures on page through the protractor
Warm notice: if you receive the product and found the screw of compass is loose, do not worry, it is not a quality problem; The loose screw makes it easier for you to turn the pencil down; You can tighten the screw after using pencil replace divider part
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CHEN GU | 9.94 | ✅ | ✅ | ✅ |
Measuring range: protractor measures 0 to 180 degrees left to right and right to left; Protractor with inch and centimeter marks makes measuring easy
2 Pack protractors: practical quantity, you can leave one at home and put the other at school or office; Appropriate size to use for geometry drawing and math class
Size and material: the size of the plastic protractor is 4 inch, color is clear; With hollow center, the student protractor is easy to grip
Use easily: you can use the geometry protractors to get the angle and length quickly; Easy to carry in bag, pencil case, math tool case, backpack, etc.
Wide application: the ruler protractors are suitable for painting, measure, homework, technical drawing; You can send them to your friends and classmates
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CHEN GU | 9.94 | ✅ | ✅ | ✅ |
24 Pack plastic protractors: math protractor features an open center and accurate 4 inches ruler across the base; 24 Pack can meet the needs, and adequate to use for a long time
Measure range: range of 0 to 180 degrees, the minimum accuracy of the angle is 1 degree, each 10 degrees have a clear line to distinguish
Assorted colors and good quality: the protractor made of good quality plastic; Assorted color allow you see the words, letters, figures on page through the protractor
Wide applications: the geometry protractors are suitable for measure, student work, graphing of engineering; Protractor with inch and centimeter marks makes measuring easier
Good gift for children: abundant bulk, you can make it as gifts for your kids in school, friends; Lightweight and easy to carry, not take too much space
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Eboot | 7 |
We've carried out a comprehensive analysis of 7,472 reviews on protractors, using our selection criteria to identify the best options in the office products. Our findings reveal that most customers typically select protractors priced around $8.02, with top brands including eboot, paraor, zztx, hand2mind, helix, mr. pen, zonon, dayavo and general tools and sparco
Our team of expert editors reviewed these high-quality items and handpicked the top 7 protractors for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the office products category. These include chen gu, cloud spring, zztx, amazon.com, maped helix usa, mr. pen, monshy, jovitec us and dayavo and franklin creative solutions llc .
We are dedicated to assisting our users in finding the right protractors Products based on their needs, saving them considerable time when choosing which protractors to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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