The 6 Best Combination Squares

Updated June 24, 2017 by Christopher Thomas

Best High-End
Best Mid-Range
Best Inexpensive
As the old adage goes, "Measure twice, cut once," and these combination squares will allow you to do just that. Offering precise distances down to fractions of an inch as well as angle measurements as accurate as 0.001 of a degree, they are ideal for getting the perfect finish on any job, and should be a staple in any contractor's or handyman's tool box. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best combination square on Amazon.

6. PEC Machinist

With black-inked, etched measurements allowing for easy and precise reading, the PEC Machinist is a professional-grade tool suitable for the most demanding metal- or wood-working applications. It's made in the USA with a durable satin-chrome finish.
  • cast-iron head with level
  • versatile four-piece set
  • surface may rust slightly
Brand PEC Tools
Model pending
Weight 3.6 pounds
Rating 4.1 / 5.0

5. C33H-6-4R 6-Inch

Starrett Tools' C33H-6-4R 6-Inch combines professional workmanship with a compact size to aid with intricate woodworking projects in your shop. Markings are deeply etched into the tempered blade, making this an easy-to-read, long-lasting addition to the tool chest.
  • head made of hardened steel
  • resilient high-quality finish
  • more expensive than most options
Brand Starrett
Model C33H-6-4R
Weight 4.8 ounces
Rating 4.0 / 5.0

4. Empire E280

Whether serving as a professional contractor's backup unit or as the principle choice for the DIY enthusiast, the low-priced Empire E280 is a fine tool to have on hand. At sixteen inches long, it helps you accurately square any size of project.
  • high-quality level ensures accuracy
  • backed by lifetime warranty
  • crafted in the usa
Brand Empire Level
Model E280
Weight 16 ounces
Rating 4.2 / 5.0

3. Irwin Tools

Available with 6-, 12-, and 16-inch blades, this Irwin Tools model is versatile enough for use on many different projects while it can still be tucked away in most toolboxes. Its durable cast-zinc body gives the it a comfortable heavy-duty feel.
  • stainless steel blade resists rust
  • large and easy-to-see level
  • great for common woodworking tasks
Brand Irwin Tools
Model 1794471
Weight 15.2 ounces
Rating 4.5 / 5.0

2. Premium 4-Piece

A popular brand with the DIY carpentry market, IGaging offers the Premium 4-Piece solution for accurately measuring and squaring your next project. Including all three common heads -- square, center-finding, and protractor -- this set can help you do a range of jobs right.
  • includes protective case
  • machine-etched graduations
  • provides high precision on a budget
Brand iGaging
Model pending
Weight 3.1 pounds
Rating 4.7 / 5.0

1. Starrett C33H-12-4R

Finely crafted with a head of high-strength forged steel and coated in smooth black enamel, the Starrett C33H-12-4R 12-inch relies on its superior craftsmanship to help you tackle even professional tasks, with graduated markings as small as 1/64th of an inch.
  • precision-ground bearing surface
  • hardened and tempered blade
  • high quality is worth the price
Brand Starrett
Model C33H-12-4R
Weight 1.2 pounds
Rating 5.0 / 5.0

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Last updated on June 24, 2017 by Christopher Thomas

A traveling chef, musician, and student of the English language, Chris can be found promoting facts and perfect copy around the globe, from dense urban centers to remote mountaintops. In his free time he revels in dispelling pseudoscience, while at night he dreams of modern technology, world peace, and the Oxford comma.

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