Best Metric Carpentry Squares of 2026

Harry Stack Avatar
Harry Stack
Last Updated: Jan 12, 2026

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Metric carpentry squares are an essential tool for any carpenter or DIY enthusiast. These precision measuring tools are designed to help ensure accuracy and consistency in all your woodworking projects. Metric carpentry squares are available in a variety of sizes and materials, ranging from durable plastic to high-quality stainless steel. They feature clear, easy-to-read markings and are suitable for a wide range of applications, including measuring angles, marking out cuts, and checking the squareness of corners. Whether you're a professional carpenter or a hobbyist, a metric carpentry square is an indispensable tool to have in your workshop.

At a Glance: Our Top Picks

Mr. Pen 8x12 L Square Ruler Cover #TOP 1
Mr. Pen 8x12 L Square Ruler
ftb score rating icon 9.9
Professional 8x12 Inch Carpenter Square Cover #TOP 2
Professional 8x12 Inch Carpenter Square
ftb score rating icon 9.8
Arrow Combination Square, 6-Inch Combo Square Cover #TOP 3
Arrow Combination Square, 6-Inch Combo Square
ftb score rating icon 9.6

Top 4 Metric Carpentry Squares

Mr. Pen 8x12 L Square Ruler

FR01
Black
Mr. Pen 8x12 L Square Ruler Cover
Mr. Pen- Carpenter Square, Framing Square, 8 inch x 12 inch , Carpenters Square , Right Angle Ruler, Framing Tools, L Shape Ruler, Metal Square, Steel Square

The Mr. Pen 8x12 L Square Ruler is a great tool for carpenters, framers, and hobbyists alike. It features imperial units on one side with 1/16-inch graduations and metric units on the other side with mm graduations. The carbon steel material is sturdy and durable against rusting, and the bright white on black design makes it easy to read. Customers have praised its quality and accuracy, making it a great choice for any carpentry application.

What We Like
Accurate measurements
Durable metal construction
Clear, easy-to-read markings
Stable and steady during use
Perfect 90-degree angle
#TOP 2

Professional 8x12 Inch Carpenter Square

AL-ZJC25
Black
Professional 8x12 Inch Carpenter Square Cover
Professional 8x12 Inch Carpenter Square - Heavy-Duty Carbon Steel Framing Tool with Dual-Scale (Imperial/Metric), Rust-Resistant Right Angle Ruler for Carpentry, Roofing & Layouts

Features
OPTIMIZED 8"x12" DIMENSIONS - Shorter Leg: 8" Outer/6.5" Inner; Longer Leg: 12" Outer/11" Inner. Ideal For Tight Spaces While Maintaining Large-Project Accuracy.
PRECISION DUAL-SCALE DESIGN - Features 1/16-Inch Imperial Graduations On One Side & Millimeter Metric Units On The Reverse For Versatile Woodworking, Metalworking, And DIY Projects.
MULTI-FUNCTIONAL L-SHAPE TOOL - Essential For Framing, Stair Building, Roofing Layouts, Surface Flatness Checks, And Pattern Drafting - Doubles As A Heavy-Duty Straightedge.
INDUSTRIAL-GRADE DURABILITY - Forged From 2mm Carbon Steel With Anti-Corrosion Coating, Built To Withstand Jobsite Wear And Long-Term Rust Resistance.
HIGH-CONTRAST MARKINGS - Laser-Etched White-On-Black Scales Ensure Rapid Readability Even In Low-Light Workshop Environments.
#TOP 3

Arrow Combination Square, 6-Inch Combo Square

AHT06022
Black
Arrow Combination Square, 6-Inch Combo Square Cover
Arrow Combination Square, 6-Inch Combo Square with Stainless Steel Ruler, Zinc Alloy Body and Bubble Level for Carpenters and Craftsmen

Features
Stainless Steel Blade: Made From Premium Stainless Steel, This 6-Inch Ruler Features Dual-Sided Metric And SAE Markings With Precision Up To 1/16" And 1/32". It Is Highly Durable, Corrosion-Resistant, And Offers Excellent Readability, Making It Ideal For Long-Term Use
Multi-Function: The Combination Square Is Widely Used In Woodworking, Furniture Making, And Construction. It Allows For Precise Length Measurements, 45° And 90° Angle Marking, Quick Line Drawing, Depth And Height Measurements, And Horizontal/vertical Alignment. The Built-In Level Bubble Helps Craftsmen Accurately Align Components, Preventing Misalignment
Textured Handle: This Combination Square Has A Zinc Alloy Handle, Providing Excellent Wear Resistance And Durability. The Bottom Is Equipped With A Copper Draw Pin, Which Is Securely Screwed In To Prevent Loosening Or Falling Off
Ideal Gift: This Multifunctional Combination Square Is A Thoughtful Gift For Carpenters, Craftsmen, And DIY Lovers, Offering Both Functionality And Accuracy In A Practical Design
Easy To Use: Equipped With A Brass Screw, The Handle Of The Combination Square Can Move Smoothly Along The Ruler And Lock Tightly At The Required Mark. Loosening The Screw Also Allows The Ruler To Be Used Separately. This Design Offers More Convenience For Precise Measurement

Johnson Level & Tool CS9 Steel Framing Square

Johnson
Orange
16" x 24"
Johnson Level & Tool CS9 Steel Framing Square Cover
Johnson Level & Tool CS9 Steel Framing Square, 16" x 24", Silver, 1 Square

Johnson's 16" x 24" framing square is a versatile and precise tool made of high-quality stainless steel. It includes EZ Read thermal-bonded graduations and conversion tables for easy reading. It is an essential tool for builders and carpenters, great for framing, layout, rafter and stair work, and more.

What We Like
Versatile and precise tool
Made of high-quality stainless steel
Includes EZ Read thermal-bonded graduations and conversion tables for easy reading
Essential tool for builders and carpenters
Great for framing, layout, rafter and stair work, and more
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a square measurement in carpentry?

square, in measurement, device consisting of two straightedges set at right angles to each other. It is used by carpenters and machinists for checking the correctness of right angles, as a guide when drawing lines on materials before cutting, or for locating holes. The tools shown in the Figure are carpenter's squares.

2. What are the four 4 types of squares used in woodworking?

Four of the most common squares that I've used while building just about everything, from small crafts to residential structures, are the framing square, speed square, combination square and the try-square. The framing square and speed square are two of the carpentry squares that I use most often.

3. What is a carpenter's square also called?

Also known as a steel square, the Johnson framing square is a handy tool for carpentry. Its uses extend into framing and laying rafters and stairs. It can also be used as a straight-edge, finding and establishing right angles and marking cut-off work on widestock.

Editor's Notes

During our metric carpentry square research, we found 24 metric carpentry square products and shortlisted 4 quality products. We collected and analyzed 47,760 customer reviews through our big data system to write the metric carpentry squares list. We found that most customers choose metric carpentry squares with an average price of $17.92.

The metric carpentry squares are available for purchase. We have researched hundreds of brands and picked the top brands of metric carpentry squares, including Mr. Pen, ALLWIN, Arrow Fastener, Johnson. The seller of top 1 product has received honest feedback from 12,399 consumers with an average rating of 4.9.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.