We’ve spent hundreds of hours researching and comparing Semi Circular Ruler of all specifications to find the best one for any need (or budget). Here are the results.

The Best Semi Circular Ruler of 2020 – Top Rated & Reviewed

2,156 Reviews Scanned

Rank No. #1
Mr. Pen- Protractor, 9 Pc Protractor Set, Protractor Ruler, Drafting Tools, Circle Protractor, Protractor for Kids, Protractors Classroom Set, Large Protractor, Protactor 360 Degree, Math Geometry Set
  • 9 protractors in 3 different styles: 4-inch Protractor (3 pack), 6-inch protractor (3 pack), and 6-inch 360 protractor (3 pack)
  • Made with transparent clear plastic
  • Easy-to-Read Inch and Centimeter
  • Accurate and long lasting prints
  • 360-degree protractor is perfect for measuring angels greater than 180 degrees
Rank No. #2
Mr. Pen- Machinist Ruler, 4 Pack (6, 8, 12, 14 inch), Metric Ruler, Millimeter Ruler, (1/64, 1/32, mm and .5 mm), 6 inch Ruler, Stainless Steel Ruler, Metal Ruler 12 inch, mm Ruler, Rulers, Ruler Set
  • Includes: A Set Of 4 Stainless Steel Rulers With 6, 8 inch length (0.75 inch wide) and 12, and 14 inch length (1 inch wide)
  • 1/ 64 inches and 1/ 32 inches gradations on one side; mm and 0.5mm graduation on the other side.
  • Scale starts at 0
  • Durable Sturdy Rulers - 0.035" (0.9 mm) Thick - Heavy And Thick Enough To Keep From Sliding On Paper And Not Easy To Be Bent
  • Ideal Set Of Rulers For Precision Measuring– Includes Both Imperial (Inch) And Metric System (mm) Units
Rank No. #3
BAZIC Jeweltones Color Ruler, 12 Inches, 1 Pack of 4 Rulers
  • BAZIC JEWELTONES COLOR RULERS. Each pack of 12 inch color rulers come with four (4) different colors: blue, green, orange, and purple. With 1/16” and metric scales and holes for three-ring binders, each ruler is crafted for functionality
  • CRAFTED FOR CRAFTS. Our Bazic rulers are suitable for all craft and school related. Perfect for school projects for the young ones, each ruler is durable and made for long lasting use.
  • REPUTATION + RELIABILITY. BAZIC Products has been offering uncompromised quality in school and office products since 1998. Dedicated to continuous improvement, we are proud to be an ongoing industry-leader.
  • TRUE TO OUR VISION. By focusing on the integrity of our products and satisfaction of our customers, we’ve built a brand you can trust. We use customer insight to guarantee solutions to fit your needs.
  • SOLD & DISTRIBUTED IN THE USA. Working with trusted factories, we ensure our products are up to the highest standard before sending to customers. Each item is shipped out of our headquarters in Los Angeles, never leaving until we’re satisfied with our product integrity.
SaleRank No. #4
We R Memory Keepers 0633356630081 Ruler & Guide-Scalloped Goodie Bag Guide
  • Guide - WR - rulers and guides - Scalloped goodie bag guide
  • American long-established stationery Amari Kankurafu Long-established stationery Fashionable stationery
  • We R Memory Keepers guide ruler & guide-scalloped goodie bag guide
Rank No. #5
Quilting Ruler Set, 4Pcs Clear Plastic Quilting Square Template, Triangle, Hexagon, Triangle Ruler&Hexagonal Ruler 45 Degrees & 60 Degrees Ruler, Patchwork Sewing Crafts Accessories
  • Made of plastic of good quality, good toughness, clear and durable, easy and convenient to use
  • 4 pieces- 45 degree, 60 degree diamond shape, hexagons shape, triangular shape quilt template in total, can satisfy your different needs
  • High Accuracy, built-in scale design is not easy to wear, clear lines, high accuracy, great tool for manual cutting plate making
  • Widely used, suitable for drawing, cutting, plate and other clothing design for students, designers, pattern maker and tailor
  • Whether you are just start to design,or you are a professional.You can use our sewing pattern making tools to achieve your goal, A MUST HAVE for you
Rank No. #6
KOALA TOOLS Ring Sewing Ruler with Metric Scale
  • Metric scale
  • Strong flexible plastic construction
  • Rule circles on flat surfaces and on 3D spherical and cylindrical objects
Rank No. #7
Mr. Pen- Ruler, Rulers 12 inch, Pack of 3, Clear Ruler, Plastic Ruler, Drafting Tools, Rulers for Kids, Measuring Tools, Ruler Set, Ruler inches and Centimeters, Transparent Ruler
  • 3 Plastic Ruler: 12 Inch
  • Made with transparent clear plastic
  • Easy To Read, Dual-Side Measuring Ruler, Inch And Centimeter
  • Accurate and long lasting prints
  • Ruler Size: 12 X 1.25 X 1/8 Inch
Rank No. #8
Mr. Pen- Ruler, 6 inch Ruler, Pack of 3, Clear Ruler, Plastic Ruler, Drafting Tools, Rulers for Kids, Measuring Tools, Ruler Set, Ruler inches and Centimeters, Transparent Ruler, Small Ruler
  • 3 Plastic Ruler: 6 Inch
  • Made With Transparent Clear Plastic
  • Easy To Read, Dual-Side Measuring Ruler, Inch And cm
  • Accurate And Long Lasting Prints
  • Ruler Size: 6 x 1 x 1/8 Inch
Rank No. #9
KOET Circle Drawing Maker, Adjustable Rotary Circle Template Measuring & Drawing Ruler, Aluminum Alloy + Stainless Steel Drafting Ruler Measurement Tool for Circles
  • Adjustable- It's perimeter can be enlarged or reduced. It can be used to draw round measurements and so on.
  • Material- Made of aluminum alloy and stainless steel material, good corrosion resistance, not easy to rust.
  • Creative Drawing Ruler- Simply rotate the rings to open and close its captivating aperture mechanism.
  • Portable- This is an easy to carry plotter, and can be used in industry.
  • Package Include: 1pc x circle drawing tool; Size: 12.5cm; Material: aluminum alloy + stainless steel.
Rank No. #10
Acurit Stainless Steel Ruler Cork Back Measuring Ruler, Used for Drafting, Measuring, Drawing, Art - 18 Inch Ruler
  • Reliable and enduring, these stainless steel rulers by Acurit have been crafted and tested with scrupulous methods, to ensure quality and accuracy in every ruler.
  • These stainless steel rulers will not break or rust. Each ruler features a cork backing to prevent slippage.
  • They are perfect for use indoors, art class, home or en plein air.
  • Single Ruler Only

Last update on 2020-09-18 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Semi Circular Ruler to Buy Now


Why You Should Buy Best Semi Circular Ruler from Amazon

Amazon is not the only store that sell Semi Circular Ruler. However, there are several compelling reasons why you should buy Semi Circular Ruler from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping Semi Circular Ruler Personal

Amazon is very good at making recommendations of Semi Circular Ruler based on your search history. From time to time, they will even show you discounted prices on Semi Circular Ruler that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add Semi Circular Ruler to your cart and go through a multi-step checkout process, or you can buy Semi Circular Ruler with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for Semi Circular Ruler, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great Semi Circular Ruler Images and Descriptions

In addition to still images, many of Amazon’s Semi Circular Ruler have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Semi Circular Ruler descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Semi Circular Ruler. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Semi Circular Ruler (with Price and Reviews)

Although most Semi Circular Ruler are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Semi Circular Ruler:

(1) Semi Circular Ruler Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Semi Circular Ruler should be in line with its value. You can compare Semi Circular Ruler reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Semi Circular Ruler is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Semi Circular Ruler materials differ from manufacturer to manufacturer. Consider where and how you will be using your Semi Circular Ruler to determine if one material would be better than another.

(4) Size

Like most products, Semi Circular Rulers come in various sizes. Do you need a large Semi Circular Ruleror a small one? Think about where you will use your Semi Circular Ruler in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Semi Circular Rulers also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Semi Circular Ruler would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Semi Circular Ruler will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Semi Circular Ruler you purchase may affect its durability.

(7) Storage

Will you need to store your Semi Circular Ruler? If so, you should consider the size and weight of the Semi Circular Rulerto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Semi Circular Ruler will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Semi Circular Ruler. It is hard to know exactly how an Semi Circular Ruler will perform until you get it home and try it out.

(9) Warranty

Make sure the Semi Circular Ruler you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.