Buying a digital protractor can be a smart decision but it is not an easy one. With the advancement in the technological field, new products are launched every day with new features, specifications, and price range. To help you choose the best product for you, we have listed some factors that will help you select the best digital protractor for you.
Display: The foremost concern for a digital protractor is the display. Make sure that you choose a nice display that is visible both in bright and dark conditions. This will help the user carry out the job in any place. Accuracy: With digital measuring objects, accuracy is a major concern. Therefore, it is better to go for products that are within the accurate range of +/- 0.5 degrees from the actual value. Battery Life: You should go for the digital protractor with good battery life as the ones with low battery life will stop working in the middle of an important job.
More details on the features to consider are given in the “Buying Guide” provided later in the article. In this article, we have listed the best products with their most notable features, benefits, and drawbacks. Read on to know all about them.
Best Digital Protractor chart
Best Digital Protractor Reviews
1. GemRed Digital Protractor
This is a patented measuring ruler and protractor that can easily measure the outside and inside angles. The digital display makes it very easy to read. The 8-inch blade can be used as a 2-in-1 device as the blades are arranged in graduation. The stainless steel construction makes it very durable and user-friendly. Further, the minimal design of the display unit with the zero button and on/off power button makes it convenient for the user. The device features a simple design that has an accuracy of +/- 0.3 degrees and a resolution of 0.1 degree which makes it suitable for woodworking, crown moulding, drawing, and sketching. Best Features:
Display: LCD Measuring Range: 0°-999.9° Accuracy: +/- 0.3°
Pros:
Laser-etched measurements. Easy to use. Great accuracy and resolution
Cons:
It has sharp edges.
2. Preciva Digital Protractor
Preciva has come up with a digital protractor that features a large LCD display that enables easy reading and has a measuring range of 0°-999.9° and accuracy of +/- 0.3 degrees. The locking function is convenient with the locking screw that can be pressed at any time for all different angles. It can be maintained accurately and read easily. The stainless steel material is durable for measuring both inner and outer angles. Moreover, the device can measure both metric and standard scales. It also allows relative and absolute angle measurements. The hold and reset function minimises power consumption, and the included battery is usable for 2000 hours. The auto shut-off feature closes the device after six minutes of inactivity. Best Features:
Display: LCD Measuring Range: 0°-999.9° Accuracy: +/- 0.3°
Pros:
Large LCD display. Screw locking feature. Allows both metric and standard scales. Auto shut-off feature.
Cons:
Some people had a problem with the material.
3. General Tools Digital Protractor
If you are looking for a digital protractor for domestic use and small works, then this is the ideal product for you. It has an intuitive design with blades coming in graduation that allows it to measure the surface length and also draw lines according to convenience. This protractor comes with a knob on one side that allows it to hold on to the required angle. It features a minimalistic design that makes it ideal for minor projects and carpentry. It is also suitable for custom cuts and crown moulding. The reverse angle function can also be used according to the convenience of the user. Additionally, it allows drawing both inner and outer angles with ease. The device allows you to work with a full-range of 360 degrees with great accuracy of +/-0.3 degrees. The compact size enables you to use it in small spaces. Best Features:
Display: LCD Measuring Range: 0°-360° Accuracy: +/- 0.3°
Pros:
The knob allows you to make exact angles. 360 degrees wide range. Stainless steel manufacturing. Minimal design.
Cons:
Does not have additional features.
4. Neoteck Digital Protractor
This is a good quality digital angle protractor that will help you get through any project without much effort or hassle. This protractor comes with two spirit levels that are not digital. This protractor comes with a backlit feature that enables the user to even work in the dark. On top of that, the lock knob and hold function allow you to secure the required angles at all times. It has a modern and delicate design that provides a range of 225 degrees with impeccable accuracy within +/- 0.5 degrees. It also comes with a hold button that saves you the hassle of tightening the knob which makes it ideal for home projects and DIYs. It has a long-lasting 9 volts battery. Best Features:
Display: LCD Measuring Range: 0°-225° Accuracy: +/-0.5°
Pros:
Loaded with multiple features. Has a backlit LCD. Equipped with a 9-volts battery.
Cons:
Has a shorter range compared to others.
5. TBVHOMM Digital Protractor
This is a 2-in-1 digital protractor that can be used as a ruler and a protractor. It has a combination of an inch and a millimetre scale ruler that enables it to make both interior and exterior angles. The protractor comes with a large LCD display that enables easy reading with a measuring range of 0°-999.9° and accuracy within the range of 0.3 degrees. Moreover, the additional lock and hold functions enable the user to get accurate angles at all times. The reverse angle function can be adjusted with the reverse button at the user’s convenience. It has two batteries included and can be used for a wide range of applications. This tool comes in very handy in the departments of drafting, construction, woodworking, and other related fields. Best Features:
Display: LCD Measuring Range: 0°-999.9° Accuracy: +/- 0.3°
Pros:
2-in-1 measuring tool. Large LCD display. Lock and hold functions. Two batteries included.
Cons:
People had issues with the reset button.
6. Calculated Industries Digital Protractor
This is a versatile angle measuring tool that can work as a protractor and an angle gauge at the same time. It helps to measure all the workshop mitres, bevels, and angles for setting mitre saw blade angles, general woodworking, squaring frames, baseboard, moulding, trim, and crown. The pivot in the tools enables the user to work with a full rotation of 360 degrees on both sides which allows making both interior and exterior angles with genuine accuracy of +/- 0.3 degrees. Moreover, the large LCD display makes things easy to read. The stainless steel material makes it durable and convenient to use. It comes with a 3-volt battery, an auto shut-off feature, a protective case, and a user guide. The brand also offers a 2-year warranty. Best Features:
Display: LCD Measuring Range: 0°-999.9° Accuracy: +/- 0.3°
Pros:
Full rotation of 360 degrees on both sides. Great accuracy. Auto shut-off feature.
Cons:
People had problems with the durability.
7. iGaging Digital Protractor
If you are looking for a minimal and simple protractor with long arms then this is a good choice with 10-inch long blades. The stainless steel material makes it durable and long-lasting. It features a large LCD display which increases readability. It also comes with a knob that helps the user to hold the angles. The device enables the user to access a full range of 360 degrees with an accuracy within the range of +/-0.5 degrees. There are 3 buttons for power(on/off), hold/reverse, and the zero button which makes it easy to use. The battery is included when buying the tool. Best Features:
Display: LCD Measuring Range: 0°-360° Accuracy: +/-0.5°
Pros:
Easy to use. Intuitive design. Large LCD display.
Cons:
People complained of the sharp edges.
8. RISEPRO Digital Protractor
This is a 3-in-1 device that is useful as an angle finder, level, and protractor in one tool. It has an ultra-clear and large display that enables the user to work even in dark conditions. The V groove base comes with strong magnets that allow strong attachments over any cylindrical or curved magnetic surfaces. It also features functions to convert the angles to other units without any hassle. Also, this tool can measure relative measurements along with regular absolute measurements. This device is great for mechanical, wood, and automotive industries, medical fields, machinery, etc. Best Features:
Display: LCD Measuring Range: 0°-360° Accuracy: +/-0.5°
Pros:
3-in-1 device. V groove with strong magnets. Absolute and relative measurements.
Cons:
Less accurate than other products.
9. S&F STEAD & FAST Digital Protractor
Steady & Fast has come up with an electronic digital protractor that helps to measure angles and lengths for both interior and exterior angles. It is made with stainless steel, which makes it last longer and more durable. It features a continuous scale on both sides on both sides of the blades that can measure the length in millimetres and inches. The angles are displayed in degrees and minutes with a resolution of 0.05 degrees. The hold function helps to secure the angle perfectly for the user. Plus, the auto shut-off feature helps to turn the device off after 5 minutes of inactivity, which helps to save power. The device comes with a 3-volt battery and a cool protective case that enables the user to carry the tool easily. It is a perfect partner for the engineering, construction and woodworking. Best Features:
Display: LCD Measuring Range: 0°-360° Accuracy: +/-0.5°
Pros:
Suitable for both interior and exterior angles. Auto shut-off feature. Continuous scale on both sides. Comes with a 3V battery.
Cons:
People had issues with quality control.
10. Rainyb Digital Protractor
This is a multi-functional angle finder tool that has imperial and metric measurements. It enables the user to work with the 360-degree interior, exterior, and contra-angles. This protractor is highly accurate and precise within the range of +/-0.5 degrees and a resolution of 0.5 degrees. The measurement accuracy is increased as the user is allowed to switch between minutes and degrees. On top of that, the hold button allows the user to hold on to a particular data for a given amount of time, and the lock angle features help to maintain the accuracy for a longer time. It comes with a durable battery that can last up to 2000 hours. It also has an auto shut-off feature. The brand offers an 18-month warranty. Best Features:
Display: LED Measuring Range: 0°-360° Accuracy: +/-0.5°
Pros:
Suitable for interior, exterior, and contra-angles. Has a hold and lock button. Durable battery. Auto shut-off feature.
Cons:
Some people felt that it was not accurate.
Things To Consider When Buying A Digital Protractor
Several digital protractors are capable of doing multiple functions like levelling and scale measurement. The buyer will be spoilt for options when looking for the device for the first time. In the following section, we have listed the most important factors to consider when buying a digital protractor to help you select the best product.
1. Display
One of the most important factors to consider when buying a digital protractor is the readability of the display. You should choose the display over anything else in the digital protractor. You need to see the display visible indoors and outdoors for better usability. LED displays are favourable and will get you the desired outcome without any hassle.
2. Accuracy
In the digital age, measurement devices should be highly accurate. One of the best benefits of digital measurement systems is accuracy. So, you need to settle for and invest in those products that provide a high level of accuracy when it comes to measurements. For better results, you should ensure that the digital protractor should not vary more than 0.5 degrees.
3. Battery Life
You should make sure that the digital protractor that you are going for provides a good battery life. If you are going for a product with low battery life, it can stop working while you are working in the middle of the project. This can be a major deal-breaker for the user. Therefore, make sure that your preferred device has good battery life. To figure out the product with better battery life, you can read the customer reviews as you can get genuine answers to all your questions there.
4. Applications
If you are looking for a digital protractor for your machine-making and engineering projects, you should go for the ones with magnetic blades. The magnetic blades allow the user to align the protractor easily and get more accurate results. On the other hand, if you are looking for a device for carpentry, woodwork, or DIYs, magnetic blades are not necessary.
5. Usability
If you want the digital protractor for domestic or small projects, invest in a minimal and easy-to-use product as it is a more economic option and better in the long run. But, for professional work, you should look for protractors that have advanced features, like storage, device memory, wireless measurement and compatibility with other devices as it will make the job much easier.
6. Additional Features
Some of the additional features that come with the digital protractor can be highly beneficial. Some common features that make some devices a cut above the rest are bluetooth connectivity or a cut calculator. These features are not inevitable for the job at hand, but they make the work much easier, more comfortable, and more convenient. These features also help you to save time and devote it to other related works.
Final Word
With this guide at your disposal, choosing the best digital protractor will be like a walk in the park. We have listed all the criteria that you need to know to buy the best digital protractor. Therefore, you must apply these considerations when buying the best protractors. If you still have doubts, you can write to us in the comments section below.
If you are here for the recommendations, we have listed the top three favourites from the list. The first recommendation is GemRed Digital Protractor. It has laser-etched measurements, is durable, and is easy to use. The second suggestion from the list is S&F STEAD & FAST Digital Protractor. It features a large LCD display with a screw locking mechanism. The third and final suggestion from the list is General Tools Digital Protractor. It has a knob that enables you to make exact angles with a 360° wide range.
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