Updated July 31, 2019 by Sam Kraft

The 10 Best Angle Gauges

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This wiki has been updated 18 times since it was first published in October of 2015. It doesn’t matter if you’re working with wood, metal, or concrete, when you need to achieve a precise cut or alignment, you'll appreciate the help of one of these angle gauges. Available in handy pocket-sized models as well as more durable professional-level options, they’ll help you find accurate measurements for any home improvement, furniture, or construction project. When users buy our independently chosen editorial selections, we may earn commissions to help fund the Wiki. Skip to the best angle gauge on Amazon.

10. CMT Digital

9. Risepro V-Groove

8. AccuRemote Electronic

7. Capri Tools 20005

6. Calculated Industries AccuMaster

5. Horusdy Steel

4. iGaging AngleCube

3. Wixey WR365

2. GemRed Finder

1. Brown Line Metalworks

Angle Accuracy Can Make Or Break A Project

For a tool with only one primary function, an angle gauge is a surprisingly versatile device.

For a tool with only one primary function, an angle gauge is a surprisingly versatile device.

Recording precise angles is a key element to a plethora of trades. It is perhaps most important to woodworkers, professionals who require decisive accuracy in a variety of measurements every day. It doesn’t matter if a carpenter is building a massive home or repairing a basic cabinet — if an angle is off by a few degrees here and there, the parts will not properly fit into the whole, resulting in a failed project and mounds of wasted time and effort.

Framers, floor installers, electricians, plumbers, automotive workers, and even the cable guy all stand to benefit from keeping an angle gauge handy in their toolboxes, as each one of them will likely need to rely on detailed measurements at one point or another during the course of their careers.

The angle gauge is a versatile device in the sense that it can reliably record inside, outside and reverse angles. To get started using one, all you have to do is set the tool on a flat reference surface, press the zero button to calibrate it, then begin measuring angles.

Many models are magnetic, which can be incredibly useful for quickly attaching it to metal surfaces, such as pipes or saw blades, without having to hold it in place as you take your recordings.

It doesn’t have to be large — a simple box-style gauge at two inches tall and two inches wide will suffice for most projects. A compact unit is ideal for accessing tight spaces and hard-to-reach areas as well, as it makes it easier to navigate around potential obstructions and less likely you’ll become fatigued as you hold it in place.

You’re surely familiar with an equally indispensable tradesman’s tool called a level — well, plenty of angle finders feature built-in bubble levels, too. Plumbers, electricians, masons, and framers will often require both types of devices for the same job, so it only makes sense to combine them into one highly practical super-tool.

To ensure your angle gauge continues to provide the dependable performance your occupation (or personal hobby) demands, make sure you take care of it properly. This means keeping it clean, preventing it from coming into contact with any solvents, and storing it in a safe area that’s free from water and humidity.

The Dominance Of Digital

Digital tools are, of course, a relatively new phenomenon when you consider how long people have been utilizing instruments and apparatuses to build structures and simplify everyday tasks. Heck, the Egyptians constructed the pyramids thousands of years ago, and they remain an absolute marvel of human ingenuity to this day.

Despite that, it would be a shame to overlook devices that, by incorporating modern technology, add convenience and remove frustration from a lot of common undertakings.

Despite that, it would be a shame to overlook devices that, by incorporating modern technology, add convenience and remove frustration from a lot of common undertakings. In many cases, digital versions of traditional tools are comparable in price or only a smidge more expensive than their classic counterparts. When you factor in time saved and headaches avoided, the benefits of digital tools become even more apparent.

When it comes to angle gauges, the precision you can achieve with your measurements is truly remarkable. Many models are accurate to within one half of one thousandth of an inch, which is tough for a layperson to even fathom. Most offer both standard and metric measurements, with the ability to toggle back and forth between settings based on your preference.

Unlike antiquated tools that require you to obtain readings from engraved scales, these units feature large, backlit display screens that generate numeric readouts. This helps eliminate the possibility of a mistake, especially when your line of sight is less than ideal or the lighting in the room is subpar.

Your grandfather’s angle finder surely didn’t have a reverse angle function, which is useful for quickly obtaining readings you know you’ll need later on in the project. On many units, this requires only the push of a button.

Because they’re battery-operated, running out of power is an inherent risk when using an angle gauge. However, lots of models include an auto-off feature that shuts the device down on its own after a certain amount of time to conserve battery life.

You’ll also want to make sure you find a device with a reliable memory function that locks in the angle once you set it. After you do this, you won’t have to repeatedly re-measure an angle that you’ll be using over and over throughout the job.

Protractors: The Original Angle Finders

Even if you haven’t encountered one for years, you must remember this little plastic half-circle dotted with degree markings from high school geometry class. Some mechanics and contractors still use traditional protractors, though many of these classic instruments have likely found themselves buried at the bottom of a tool bag in favor of angle gauges and digital protractors.

The double-sided version places one scale on each side to simplify measuring and drawing angles for those who are relatively new to using protractors.

From surveying and navigation to engineering and war, the protractor has played an influential role throughout modern history. You can find descriptions of the tool and its value in mapmaking dating as far back as the late 1500s, though it didn’t become standard practice for maritime navigators and land surveyors until the 17th century.

Over the decades that followed, protractors increasingly appeared in textbooks and began to see action in some mathematics classrooms. Once the 20th century rolled around, they had become commonplace in schools across all education levels.

For certain applications, such as architectural and mechanical drawing, it became clear that a simple half-disc protractor wasn’t sufficient, which led to the development of the bevel protractor. A graduated circular device with a pivoted arm, this tool usually features a Vernier scale to provide more precise readings than a traditional model.

It may seem hard to believe, but two-sided protractors did not come into prevalence until the 21st century. Beginners often find the traditional one-sided unit confusing, as its face includes two number scales. The double-sided version places one scale on each side to simplify measuring and drawing angles for those who are relatively new to using protractors.

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Sam Kraft
Last updated on July 31, 2019 by Sam Kraft

In addition to his corporate career as a marketing and communications professional in Chicago, Sam runs a popular blog that focuses on the city’s flourishing craft beer and brewery scene. He received his degree in journalism from DePaul University (which spurred his interest in freelance writing) and has since spent years developing expertise in copywriting, digital marketing and public relations. A lifetime of fishing, hiking and camping trips has left him well-versed in just about any outdoors-related topic, and over several years spent working in the trades during his youth, he accumulated a wealth of knowledge about tools and machinery. He’s a travel junkie, a health and fitness enthusiast, and an avid biker.


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