10 Best Digital Protractors for the Perfect Angles in 2021

Any kind of project requires accuracy in terms of angles, and if you can get it right, you will surely be successful.

In the past, the way people used protractors were quite challenging. The function was complicated, and then it costs them a considerable time to get the result.

To overcome these hassles, digital protractors were invented for our rescue. This upgraded version will save you time and give you the utmost accuracy that you were looking for in the first place.

Since it has lots of models, we have included some of the best digital protractors dominating the market.

These are very beneficial information, so you should have a look at it and pick your winner.

11 Best Digital Protractors Review

Out of all the products, we have chosen the top 11 for you. Keep reading to get further information.

1. Bosch 4-in-1 Digital Angle Finder GAM 220 MF

Bosch 4-in-1 Digital Angle Finder GAM 220 MF

This model is built in a way that makes it unique. You will be satisfied after you get to use it.

If you talk about adaptability, it breaks all the barriers. You can easily use it in any project without any error. To make it durable, the model comes with robust housing with IP54 protection. Not only that, but it can also resist dust and water in any situation. The hard thermoformed case is just a cherry on the top.

Another excellent feature is its versatile option. This single model lets you use it for four different purposes. You can use it as an angle finder, miter calculator, protractor, and level.

Also, the angle finder makes your work smooth because it also comes with an angle memory function. You will be able to measure the angle of a particular job site and use that same measurement on other job sites.

As you know, an important aspect of digital models is their display. For your benefit, this one has an illuminated display that you can read easily. Plus, you can even rotate it so that you can use it in any working conditions.  

The range of the angles is quite good, and you won’t be facing any issue with accuracy. You will get the opportunity to use the miter calculator and use its input range within 0 to 220 degrees.

Professionals like carpenters, remodelers, and contractors love using since it is user friendly. Besides, the 16” extension lets them work in all areas, whether it is more massive or small. If they can enjoy the benefit, so can you.

Also Read: Track Saws For Carpentry Works.

Pros

  • Versatile
  • Durable
  • Display can be read easily
  • Leg can be extended
  • Water and dust resistant

Cons

  • Kind of heavy
  • Pricey

2. 18” (457mm) Wixey Digital Protractor With Miter Function - WR418 - Construction Protractors

Wixey WR418 Digital Protractor

A simple looking digital protractor is nothing more than a heavenly feeling. It releases all the negative thinking that might pop into your mind. Fortunately, this model has the capability to do that.

It consists of an ON/OFF and ZERO button that starts with a single go. Any amateur or professional can easily use it without any hesitation.     

There are some areas where it is challenging to measure, but thanks to the long blades of this model, you can easily measure angles in all the planes. This unique feature makes it very demanding among most of the projects.

For your woodworking machinery, you can easily calculate the miter and bevel angles accurately. The Miter Set-Inch feature quickly calculates the required angle for cutting perfect miters.

Not only for this job, but it is also suitable for other professions since it generates the result digitally, which saves you from the hassle of doing it manually.

The aluminum blades are highly durable and perform efficiently in heavy-duty work. Yes, it will remain immune to any weather conditions.

Furthermore, the strong embedded magnets are present in all blade edges so that you can use it easily. You can even attach the cast iron blades and other types of steel surfaces tightly to set the angle comfortably.

Don’t worry! The display is well illuminated and won’t be a problem for you to read. Overall, it is an awesome choice for measuring and layout.

Pros

  • User friendly
  • Miter Set-Inch option
  • Aluminum blades
  • Well illuminated display
  • Good for heavy-duty work

Cons

  • Angle measurement range is small (0-180 degrees)
  • Bevel gauge might create problem in measuring smaller work items

3. AccuRemote Digital Electronic Magnetic Angle Gage Level/Protractor/Bevel Gauge

AccuRemote Digital Protractor

If a device has a good outlook and consists of multiple functions, it is undoubtedly a beneficial purchase for anyone. This product is a complete package and can give good competition to other models.

The material used in it is aluminum, so there is no question about its durability. It won’t get damaged due to external pressure, and this allows you to use it in any project.

Standard 9V battery is used, and if you talk about the highlight of this model, an LCD is one that takes the win. It is large and reversible, which makes it easy to read. Additionally, it also comes with a flip display option that lets you view the angle in any direction of your choice.

Tracing the absolute level won’t be a challenge anymore. You can measure and get precise results of relative and absolute angles. This function makes it suitable for different kinds of projects because of its adaptability.

The measuring range is 360 degrees (4 x 90), which is very good, and about the unit of the output, you will get it in degrees or tilt percent.

Another top-notch feature is its resolution of 0.05 degrees and accuracy of +/- 0.2 degrees so that you can get a precise angle reading on every try. This shows that it is a must-have product for all project workers.      

On the three surfaces, three strong magnets are installed for your ease. It makes it possible for any steel object to get attached to it.

Pros

  • Multipurpose
  • Long-lasting
  • Highly accurate reading
  • Embedded strong magnets to use the model easily
  • Super large flip LCD

Cons

  • Not suitable for measuring small areas
  • Might get affected in different weather

4. GemRed Digital Angle Finder Protractor (Plastic, 7inch/200mm)

GemRed Digital Angle Finder Protractor

Suppose you heard about a model that has multiple applications; how would you feel? Simply breathtaking, right! This device can be used in woodworking, vehicle maintenance and repairing, construction, drawing, and medical treatment.

The rulers are made of plastic that makes it durable and lightweight. Moreover, it lets you measure angle and length, metric, and imperial scale. About drawing lines, you can easily do that with the help of the rulers.

Moreover, the accuracy of this model is +/- 0.3 degree. This makes it a suitable choice for DIY project workers and even professionals. During measuring, your working efficiency is mandatory, and to achieve that, this model comes with a combination of ruler and goniometer.

During measurement, one of the important concerns of people is the measuring range. Surprisingly, it comes with a broad range from 0 to 999.9 degrees. This shows that you can use it for small or large projects.  

It has a well-illuminated display that you can quickly turn on or off without any complication. The results are fast so, you don’t have to worry regarding any time consumption issues.

When you have to measure relative angles, the zero button option becomes a life savior for this purpose. It lets you adjust any surface as a reference point, and you can then use this opportunity to extract the result.  

Another beneficial feature is that it consumes low power since a single coin battery for this model lasts for around 1000 hours of working.

Pros

  • Can be used for a lot of purposes
  • Compact
  • Less power consumption
  • Clear display
  • Easy to use

Cons

  • There is no locking screw for the arms
  • Reverse angle measurement is not possible

5. General Tools 822 Digital Angle Finder Rule

General Tools 822 Digital Angle Finder Rule

Woodworking requires lots of accurate measurements. If you get a lot of functions in a single model, you don’t have to waste extra money or time on other devices.

This one has a combo package of a digital stainless steel ruler and angle finder that makes your measurement smooth and easy. Furthermore, its durable material makes it strong enough to withstand any severe conditions.

Whether you have to measure inside, outside, or reverse angles, all of it is possible thanks to this upgraded device. The measurement range is between 0 to 360 degrees, and all credit goes to the hinge mechanism that made it possible.          

You can activate the reverse angle function with the help of a single button and save the result; there is a hold button present for your service. To save it manually, a big sized ergonomic locking system is already installed.

Plus, zeroing the tool at any spot in the swing is not a challenge at all. Just adjust it according to your preference, and you are good to go.

It has a large LCD that is easy to read at any time. Fortunately, you don’t have to estimate or eye-ball it anymore, like the older versions. One unique option is the center CHECK notch that helps you out in placing the ruler and marking it onto the exact point.

Pros

  • Can calculate interior and exterior angles precisely within seconds
  • Zeroing at any point is possible
  • Works as an angle finder and ruler
  • Comes with reverse and lock angle options
  • Efficient and user friendly

Cons

  • Handle is not large
  • OFF switch is not present

6. Tacklife MDP02 Advanced Digital Protractor

Tacklife MDP02 Advanced Digital Protractor

The manufacturer for this model made sure that it gives a tough competition to the others. Professional and DIYers will surely find it suitable for their project.

You will love its outlook as it is quite an eye-catchy. There are embedded strong magnets present, which allows it to hold firmly to any metal surfaces. The overall material used in it is Zinc alloy, which makes it durable and sturdy.

Due to its compact size, you can easily carry it from one place to another and even use it with other measuring tools if the situation demands. In total, you will get to see its adaptability since; it can be used as a protractor, an angle finder, and a level.

The good news is that the measurements of absolute and relative angles are possible. Furthermore, the digital device converts the degree and percentage of slope on your behalf, cheers!

To fix your desired angle, simply press the HOLD key, and it is done instantly. Plus, you can read the angles on the large LCD in any direction as this version has a built-in flip display feature. The measuring range is from 0 to 360 degrees, and the resolution is 0.1 degree.

It also has stunning facilities like low power indications that comes as a big help when you are concentrating on your project.

Also, it gives an arrow display when your device is perfectly leveled with the surface. If you are not using it for 3 minutes straight, it will automatically shut down to save power from getting drained.

Suggested Reading: Wrench Sets Reviews.

Pros

  • Holds metal surfaces tightly
  • Storage pouch blocks all the dust
  • Hard-wearing material
  • Shuts down automatically after 3 minutes of not in use
  • Easy carrying 

Cons

  • Not fully accurate results
  • Vulnerable to organic solvent cleaning

7. Neoteck Digital Angle Finder, Backlight LCD Digital Angle Gauge Protractor Inclinometer Bevel Box

Neoteck LCD Digital Protractor

It is obvious that we will want to have lots of features in our products. In other words, we prefer to be versatile. So, if you want a device that can be used for lots of purposes and the result will be accurate every time, then this model is perfect for you.

The material is plastic, but still, it is strong enough to prevent any internal damages. Besides, it is dust and water-resistant with IP54 certification, which means you can use it in any weather condition without any hesitation.

On the base, there are powerful magnets that play a striking role in attaching itself tightly to the iron surface. When it comes to measurement, don’t worry. You will get accurate measurements as the accuracy is +/- 0.2 degrees.    

Moreover, the model is designed in a way that you can easily set or check relative and absolute angles between any surfaces. For tight spots, it features a true digital level facility for your ease. The good news is that the range is good and is between 0 to 360 degrees (4 x 90 degrees).

If your project requires you to move frequently, this small-sized device, along with its portability, will surely help you out in this case. When you are done with the measurement, the backlit LCD allows you to read it easily.

Plus, it generates the bevel angles in different units (degrees, percentage, millimeters, or inches), which you can choose according to your preference. It also shuts down automatically after three minutes if you don’t use it within that time.

Suggested reading: IKEA Futons Buying Guide.

Pros

  • Small-sized
  • Dust and water-resistant
  • True digital level option
  • Built-in magnets secure the iron surface
  • Precise output

Cons

  • Batteries are not long-lasting
  • Construction is not high quality

8. Digital Protractor Angle Finder Level Inclinometer Magnetic V-Groove 0~360 degree with Backlight

Gain Express V-Groove Digital Protractor

Are you working in an automotive or other industry? Do you have to set up the precision machines? What about measuring drainage angles and run-off slopes? If your work fits into this category, congrats! This multipurpose tool will fit perfectly with your work requirement [FYI, for automotive DIY projects, we have also reviewed some paint guns here!].

You can use it as an angle finder, protractor, and level with ease. Made from ABS material, the model is designed very carefully to be easily packed and transported from one spot to the other. You will get built-in powerful magnets on the V-groove base plate that will tightly hold the surface.

There is an angle sensor technology that helps you out in calculating exact angles. Just tilt it according to your criteria, and you will get the result.

Furthermore, the measurement range (0 to 360 degrees) lets you work smoothly in horizontal and vertical planes. About accuracy, it is +/- 0.2 degree, and the resolution is 0.05 degree, which is quite stunning.   

The conversion process is awesome as you can convert the degrees to mm/m, percentage, or inches/feet. You can even change the relative to absolute angles or vice versa according to your work necessity. This makes it a versatile option in different projects.

And then there is a large LCD with backlight functions that makes it easy for you to read all the time. The display always remains in the upright position, which helps you to view the angle in all directions.

Pros

  • Angle sensor technology
  • Consist of beeper/sound function
  • IP65 protected
  • Can be used in dark places
  • Large scope of angle conversion process

Cons

  • Need to be used it within of 0 to 50 degree Celsius
  • High-priced

9. Calculated Industries 7434 AccuMASTER 

Calculated Industries 7434 AccuMASTER

Whether you are a beginner or pro in woodworking, this beneficial product will help you out in all of your projects. If you are interested, you can even gift it to someone, and they will love it for sure.

Its material is plastic, which makes it lightweight and portable. Luckily, it has a certified IP54 rating, which means it is dust and water-proof. Whether you take it in your garage, backyard, or woodworking shop, it will remain protected.

You can use this tool as a bevel gauge or digital level. In the case of the former one, it is highly suitable for woodworking since you can easily measure the angle.

In addition, its compact size lets it fit perfectly into tight spots without any imbalance. This allows you to get the measurements with ease and reduces that heavy burden.    

Thankfully, you don’t need to eye-ball anymore as the LCD is bright and clear enough to help you out with the reading. If you are concerned about the battery life, then you will be happy after knowing that the built-in MEMS sensor technology increases its longevity to a new extent.

Measuring true level and relative angles are flexible, and you can even get your result in any direction. The magnetic base is well built, and it can be attached securely to things like a table saw blades, band saw, miter saw, tables, fences, and other types of metal surfaces.

Pros

  • Useful in welding, fabrication and automotive tire alignment
  • No eye-balling needed
  • Reading in all angle is possible
  • Dust and water-proof
  • Comes with a protective pouch

Cons

  • Construction is of low quality
  • Accuracy problem happens sometimes

10. iGaging Digital Protractor with 7” and 4" Stainless Steel Bladed

iGaging Digital Protractor

This protractor comes with a bunch of features. Its facilities are very much on demand among lots of project workers. You will be amazed by its versatile facilities and ease of use if you purchase it.

The blades are fully stainless steel, which is sturdy and will perform efficiently in severe conditions. As a result, its adaptability makes it highly useful on job sites. It has two steel blades where one of them is short, and the other is quite long.  

Moreover, you will find photo-etched graduation inch and metric on both the handles so that you can use it as a ruler. As you can see, this feature allows you to measure two different things (length and angles) using a single tool.

Plus, the longer blade can be used as an opportunity to measure angles in spots that are tough to reach.

The LCD is large and bright, so you won’t be facing any issue while taking the reading. Also, it has a reversible reading option that helps you out in reading the angles when the tool is in an inverted position.

Moreover, the overall measurement range is 0 to 360 degrees, and this makes it very easy for you to measure the interior and exterior angle of your workpiece. Another noticeable feature is its blade lock function that holds your measurement securely when shifting from one surface to the other.

To save the battery’s energy, it shuts off automatically if you don’t use it after 5 minutes.

Pros

  • Blade lock feature
  • Stainless steel blades
  • Measurements of tough spots are possible
  • Precise reading
  • Automatically shuts off after 5 minutes of no operation

Cons

  • Edges are sharp
  • Surface is rough

11. General Tools 828 Digital Sliding T-Bevel Gauge & Digital Protractor in One - Digital Protractor

General Tools 828 Digital Protractor

If you are looking for a tool that gives accurate results and gets your job done successfully, this model can be an awesome choice.

It comes with a stainless steel blade that performs smoothly in any situation. Also, it has a digital sliding T-bevel and digital protractor of commercial grade. The handles are made from impact-resistant ABS material that makes it strong enough to withstand any external pressure.

There are many prestigious projects like building furniture, cabinetry, picture frame construction, and tile installation. You have to carefully measure, store, and transfer the interior and exterior angles between different surfaces.

This process is mandatory in all cases. Using the model, you can do it smoothly without any error. Keep in mind that it will work as a huge benefit since you can save your time and effort due to this.  

The model has a large LCD that is easy to read, and not only that; you can read the angles using either the reverse display or flip display button. If you are interested in doing the measurement manually, there is a locking knob that can make it possible. It proves that everything is installed according to your preference.   

To prevent the battery’s energy from not getting wasted, it shuts off automatically if you are not using it. The measuring range is vast, and it is between 0 to 360 degrees. So, it is useful for all kinds of projects, whether it is large or small.

Pros

  • Strong handle
  • All-round tool
  • Saves battery energy after a couple of minutes of inactivity
  • Impact-resistant ABS handle
  • Reverse and flip display option

Cons

  • Overall body is made of plastic
  • Weak design

How to Choose the Best One?

Here are some of the things that you should consider before buying a digital protractor.

Accuracy

Whether it's a speed square or a protector, it's necessary to get accurate measurements from every tool.

Buy the one that has can take your project’s measurement without any error. If it is unable to do that, avoid purchasing it.

Make sure the unit fulfills all your angle measuring requirements.

Durability

You would never want your investment to go to waste, right? So, choose the one that is made of good quality material and are highly durable.

Your product should have the potential to survive for many years, and it must be strong enough to keep itself immune from any accidents.

Features

Some models have a couple of features, while some have lots of varieties. There can be a possibility that you might get confused, but with proper strategy, you can clear out the difficulty.

Always look for the model that is suitable for your purpose.

Budget

Check your budget and make your decisions accordingly. The price range will vary among different models.

If your chosen one is a bit out of your budget, don’t hesitate to buy it because it will be good for you in the long run.

Display

The display is an essential factor for the upgraded version. If you can’t read the measurements correctly, there is no point in using the product.

Take some time and look for the one that comes with a display and is easy to read.

Frequently Asked Questions

  • What are the types of digital protractors?

It has two types — block and handle system. You can use the former one as a level and also measure relative angles. The latter is used to measure angles, and in some situations, you can measure the length as well.

  • When is the perfect time to calibrate?

Place the protractor on a uniform surface and check the reading. If it is not zero, it is time for you to calibrate.

  • What is the role of relative measurement?

The difference between the two surfaces is known as relative measurement. It is either measured in degrees or other units.

  • Is the process ‘zeroing’ helpful in measurement?

Yes, it creates a starting point for the protractor. When you have to measure relative angles, it then comes in handy.

  • Can I measure the blade (bevel) angles of a knife?

Yes, you can do it, but it mainly depends on the model. Consult with the supplier before you purchase it.

Final Words

Buy one of these best digital protractors according to your requirement, and you will surely have an excellent experience in your project.

If possible, take some advice from a professional. Their information might help you out in an unexpected way.

Best of luck!

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