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

2,114 Reviews Scanned

Rank No. #2
LILIXNX 180 Degree 0-145mm Stainless Steel semi-Circular Protractor Angle Ruler Protractor Stainless Steel Gauge Wooden
  • Made of stainless steel, it has excellent durability and is used as a protractor, miter or frame, ideal for all construction and alteration projects, becoming a compact and easy to use tool.
  • Laser engraving on the surface, durable and accurate angle measurement, multi-angle measuring ruler can slide to any desired angle, fixed reading is easy to read, screws can be tightened to save time for repeated measurements.
  • The stainless steel edges have been smoothened to protect your hands. The thick body is resistant to bending and difficult to deform.
  • For making accurate right angles and as a cutting and drawing guide-with preset measurement, triangle ruler, meter ruler, protractor, very suitable for angle measurement, mold measurement, etc.
  • Multifunctional portable measurement tool, suitable for a variety of measurements, such as diameter measurement, angle measurement, etc., simple operation, clear scale, suitable for school learning, is also an excellent mathematical tool for office and school.
Rank No. #3
LILIXNX 180 Degree Plastic Yellow semi-Circular Ruler Woodwork Ruler Foldable Worker for Measuring
  • Made of plastic with excellent durability, used as a protractor, miter or frame, ideal for all construction and alteration projects, a compact and easy-to-use tool.
  • Laser engraving on the surface, durable and accurate angle measurement, multi-angle measuring ruler can slide to any desired angle, fixed reading is easy to read, screws can be tightened to save time for repeated measurements.
  • The edges have been smoothed to protect your hands. The thick body is resistant to bending and difficult to deform.
  • For making accurate right angles and as a cutting and drawing guide-with preset measurement, triangle ruler, meter ruler, protractor, very suitable for angle measurement, mold measurement, etc.
  • Multifunctional portable measurement tool, suitable for a variety of measurements, such as diameter measurement, angle measurement, etc., simple operation, clear scale, suitable for school learning, is also an excellent mathematical tool for office and school.
SaleRank No. #5
7 Piece Geometry School Set,with Quality Compass, Linear Ruler, Set Squares, Protractor (Silver)
  • 7 Pieces math set: 7 in 1 geometry tool contains a Compassa ,6 inch/ 15 cm straight ruler, a 4 inch protractor,a 6 inch protractor, 3 x triangle ruler (45 and 60 degree)
  • Mechanical pencil for compass with 2 mm pencil lead, used for drawing circle or circular.Made from Stainless Steel, durable and easy carry.
  • Transparent plastic protractor and measurement ruler: transparent ruler and clear color makes you measure easier.; straight and triangle rulers with inch and metric scales on them,
  • Portable and durable: geometry tools are constructed of plastic material, lightweight, easy and handy to be put into your school bags or in your desk
  • Wide application: math geometry tool set are useful tools for architects, engineers, artists, designers, students, teacher and so on; Good for students in school use
Rank No. #6
Westcott 4-Inch 180° Semi-Circular Protractor Measuring Tool (375)
  • CLEAR PROTRACTOR: 4 Inch and 180 Degree plastic protractor calibrated in 1/2 degre; Making it ideal for your drawing and drafting needs
  • ACCURATE MEASUREMENT: Protractor with easy to read numbers that record angles precisely and quickly
  • EASY TO READ: Angle protractor made of translucent plastic which allows viewing through to the page while you work
  • DURABLE MATERIAL: The surface of this plastic scale ruler is laminated with solid center for durability
  • MULTI PURPOSE: This measuring tool is ideal for artists, designers, architects, engineers, and students
Rank No. #7
Westcott 3 1/2-Inch 180° Semi-Circular Protractor Measuring Tool (3751), Transparent
  • CLEAR PROTRACTOR: 4 3 1/2 Inch and 180 Degree plastic protractor calibrated in 1/2 degre; Making it ideal for your drawing and drafting needs
  • ACCURATE MEASUREMENT: Protractor with easy to read numbers that record angles precisely and quickly
  • EASY TO READ: Angle protractor made of translucent plastic which allows viewing through to the page while you work
  • DURABLE MATERIAL: The surface of this plastic scale ruler is laminated with solid center for durability
  • MULTI PURPOSE: This measuring tool is ideal for artists, designers, architects, engineers, and students
Rank No. #8
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. #9
BBTO Adhesive Non-Slip Grips for Quilt Templates, Semi-Transparent (96 Pieces)
  • Non-slip grips measurement: these grips are approx. 1.9 cm/ 0.75 inch in diameter, each grip can be divided into a 0.6 cm diameter dot and a loop, meeting your different needs
  • Durable material: this set of grips is made of quality silicone, soft and durable, with good anti-slip effect, allow you to apply them for a long time
  • Self-adhesive grippers: these non-slip grippers are self-adhesive, can be sticked to the surface of many cloth, fabrics or other items directly, and if you do not need them any longer, you can just tear it off without any residue
  • Applicable adhesive grippers: the grippers can help to hold template in place, so that your template will not slip all over the fabric while you cut or trace
  • Quantity: the package includes 2 sheets of non-slip grips, and each sheet has 24 pieces small grips and 24 pieces of large ones, abundant quantity for your common using
Rank No. #10
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

Last update on 2021-02-27 / 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.