The 10 Best Digital Protractors
We spent 27 hours on research, videography, and editing, to review the top choices for this wiki. Whereas an old-school protractor requires lots of manual work to line up your angles, a digital model can measure more precisely with less effort. This makes life easier for woodworkers and other tradesmen who rely on accurate measurements daily. Plus, many of today's options can save data straight to your phone or computer. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best digital protractor on Amazon.
10. Calculated AccuMaster
The Calculated AccuMaster was created for tradesmen working in less-than-ideal conditions, with dual functionality as a torpedo level and digital protractor. It offers an extensive working temperature range, from negative four to 140 degrees Fahrenheit.
- highly visible display
- heaviness affects ease of use
- short battery life
|Rating||3.6 / 5.0|
9. General Tools Digital
If you’re looking for something that will measure with unbelievable accuracy, the General Tools Digital probably won't fit the bill. But as an affordable option with a compact stainless steel blade that doubles as a T-bevel, you should get serviceable results.
- impact-resistant handle
- 4 control button functions
- plastic body lacks durability
|Rating||3.8 / 5.0|
8. Gain Express Angle Finder
A simple tool for calculating exact angles and checking the level of roof slopes, wheel alignment and other applications, the Gain Express Angle Finder can be used for both absolute and relative measurement conversion at a 360-degree range.
- strong built-in magnets
- backlight for use in the dark
- slow to settle on measurement
|Rating||3.9 / 5.0|
7. True Power Angle Finder
With a length of 16 inches, the True Power Angle Finder offers a fairly wide measuring angle range of zero to 225 degrees. It features a convenient hold function, which freezes measurements so that they’re easier to record.
- 2 90-degree spirit levels
- good for horizontal and vertical use
- bulky design is tough to maneuver
|Rating||4.1 / 5.0|
6. General Tools 822
When you think of a protractor, even a digital one, you probably don’t associate it with Bluetooth technology. But that’s exactly what the General Tools 822 comes equipped with. This allows you to automatically save crucial data to your phone.
- 1-button reverse angle function
- auto-off saves battery
- unreliable locking mechanism
|Rating||4.4 / 5.0|
5. iGaging Digital
The iGaging Digital is constructed to provide precise measurements of angles in 0.05-degree increments. The digital readout is versatile, displaying accurately on the LCD screen even when the protractor is upside down or set at odd angles.
- includes protective pouch
- comes with extra battery
- zero button for easy reset
|Rating||4.3 / 5.0|
4. Wixey WR418
With the ability to set both miter and bevel angles, the Wixey WR418 is a nice option for woodworking applications. Plus, its heavy-duty aluminum blades feature reliable magnets, which enable you to easily attach the protractor to steel tables and other metal surfaces.
- blades are 18 inches in length
- exceptional customer service
- ideal for cutting precise miters
|Rating||4.1 / 5.0|
3. GemRed Gauge
Built in a rectangular shape with a durable framework, the GemRed Gauge is compact and easy to use, making it a solid option for setting saw blades, automobile tests and repairs, and similar applications. Its measurement response is nearly instantaneous.
- comes in 5 different styles
- extra-low power consumption
- hidden magnetic bottom
|Rating||4.9 / 5.0|
2. GemRed Angle Finder
Available in a wide variety of styles and lengths, the GemRed Angle Finder generates a fast, clear and accurate digital readout at virtually any angle. With only two buttons, it’s very simple to use in obtaining measurements in metric and imperial units.
- dependable locking screw
- high-value option
- lightweight and highly portable
|Rating||4.5 / 5.0|
1. iGaging Bladed
The iGaging Bladed features seven-inch and four-inch stainless steel blades that lock into place for maximum accuracy. The display reads continuously even as the arms are adjusted, which is a useful function for most at-home handyman projects.
- 1-year battery life
- measures inside and outside angles
- very resilient construction
|Rating||4.9 / 5.0|