What’re the Best Digital Calipers for Machinists? Top 5 Picks

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Machinists need their toolboxes loaded with all the necessary pieces of equipment. Among these, a digital caliper is a must-have. These calipers are one of the most convenient tools when it comes to measuring different parts with precision.

Whether you’re just starting out with a caliper or got disappointed in your previous one, we’ve got you covered. This real review covers the top 5 best digital calipers for machinists so that you can get the most suitable tool for you.

If you don’t want to go through all five options, let us tell you the best among them. Mitutoyo 500-752-20 Digimatic Caliper is the perfect option you can get for yourself without having a second thought. It’s durable, reliable, convenient, and consistent.

best digital calipers for machinist
Best Digital Calipers for Machinists

We still recommend reading through the entire article. You may find another caliper more suitable for you than this one. After all, there are so many aspects to consider.

Best Digital Calipers for Machinists Reviews 2022

The sections below demonstrate the reviews of the top five digital calipers for machinists. We’ve compared all necessary attributes before creating this guide for you, including price, consistency, reliability, durability, ease of use, and more. Let’s have a look.

Mitutoyo 500-752-20 Digimatic Caliper for High-Level Machinists

mitutoyo digital caliper review

It’s so easy to stumble upon Mitutoyo when considering any type of caliper. It’s one of the most reliable brands available in the market, and most of its users are delighted with their purchase. So, what makes this particular digital caliper from Mitutoyo so special?

An improved LCD outperforms almost all other calipers. The readings are so clear that you can understand them with your naked eye, even from a distance. The display also features an automatic system to turn it off and on. Whenever you move the slide, the display turns on, and if you don’t use the caliper for about 20 minutes, it’ll turn off.

The precision level of this caliper makes it the most suitable for machinists. It’s accurate up to 0.01 mm, and it comes with an IP67 rating. The IP rating is an indicator of the resistance level of the caliper. This one is coolant, dust, oil, and water-resistant so that you can use it in extreme environments too.

Mitutoyo digital caliper is also very diverse in activities. It comes with jaws for measuring inside and outside diameter, as well as the steps of an object. There’s also a gauge at the bottom for measuring the depths of various objects. This diversity allows you to use the caliper for other purposes too.

Another thing about Mitutoyo calipers is that they’re extremely durable. Even the batteries are more durable than most other calipers. So, if you are a machinist, we recommend spending on a high-end caliper like this one to avoid making several purchases.


  • Coolant, dust, oil, and water-resistant caliper.
  • Easy-to-read LCD with automatic turn-on and off options.
  • Durable structure with durable battery.
  • Precise and consistent measurement.


  • Comparatively pricier than other options.

Short Verdict

If you’re okay with the price, you can’t get a better option than this caliper from Mitutoyo. You can verify the caliper’s integrity from the user reviews. Click here to find out what users are thinking about the caliper.

iGaging Absolute Origin Digital Caliper for All Machinists

igaging caliper review

You always need extreme accuracy when you’re a machinist. And speaking of extreme accuracy, you must check out this amazing digital caliper from iGaging. If you’re searching for an affordable digital caliper, there’s no way you’ll find a better option than this one.

This caliper’s frame is made of stainless steel and features a lapped finish. This means you’ll get a convenient sliding experience. In addition, the caliper comes with an IP54 rating, which is an impressive feature to have in an affordable caliper.

You’ll need a 3V battery to operate the caliper. The good news is, that the battery comes with the caliper. In addition, you’ll get a spare battery in case the first one runs out.

Another relieving thing about this caliper is the warranty. A 2-year warranty backs the tool, so if you face any difficulties during this period, you can expect full support from the manufacturer.

The caliper also accompanies a case to make it more portable. The case is not very secure and robust. However, the foam inside is comparatively of high quality.


  • Dust and water splash resistant.
  • Easy to read LCD.
  • Smooth movement.
  • Backed by a 2-year warranty.


  • The case could have been better.

Short Verdict

It’s a pretty decent caliper, considering the price. If you don’t want to spend a fortune on a caliper and still want a premium-quality tool, give this one a try. Click here to see more information about the caliper.

Eagems Digital Caliper for Professional Machinist 2022

Best Digital Calipers For Machinist

There’s a very high possibility that you already know the name Eagems. It’s one of the most popular brands for calipers among various users. It’s neither super cheap nor extremely pricey.

This six-inch caliper is extremely trustworthy when it comes to accuracy. It offers an accuracy level of 0.01 mm, which is perfectly suitable for machinists. You can also switch between two units of measurement using a button on the frame.

The material is hardened stainless steel. There’s no doubt about the integrity of the material. Besides, the IP67 rating makes it extremely waterproof. It’s also dust-resistant. So, no matter in what condition you’re working with the caliper, it’ll outperform most other calipers.

When you’re tired of flimsy calipers with imprecise readings, you must give this tool a try. It’s consistent, accurate, and comfortable to use. There’s an auto-shutoff system to save energy. In addition, it also features a low battery warning to let you know when the battery needs replacing. Speaking of batteries, you are getting a spare one with the caliper.

Four measurement dimensions ensure that you’re equipped with the perfect tool. A hassle-free warranty system works as a cherry on top. Besides, the customer service of this brand is also excellent, so don’t be shy to reach out in case you face any problems.


  • Measure inside, outside, step, and depth with extreme accuracy.
  • Stunningly water-resistant with an IP67 rating.
  • Switch between mm and inch with ease.
  • Features auto shutoff system.


  • It’s a bit heavy

Short Verdict

If you want a robust, well-built, and accurate caliper, consider getting this one from Eagems. It’ll make your job a lot easier because repeat measurements will not be necessary. If you’re intrigued about it, click here.

Starrett 798A-6/150 Digital Caliper for Entry-Level Machinist

starrett digital caliper

Some would argue that Starret offers one of the most accurate digital calipers for machinists. Even though the price is a bit high, the caliper is well worth the money when it comes to accuracy and performance.

The construction is heavy-duty, so you won’t have to worry about durability. You can expect this caliper to last for years. There’s no need to replace this caliper anytime soon.

You’ll get an accuracy level of 0.01 mm, which is what most users expect in a high-quality caliper. The design is pretty straightforward so that everyone can use it without any complications. Even beginners will feel comfortable using this tool.

This one is resistant to everything you can think that your caliper will suffer from. For instance, the frame is made of durable quality stainless steel and is extremely resistant to corrosion. In addition, the tool comes with an IP67 rating, which means you won’t have to worry about water, oil, and dust either.

Measure all your objects’ inside, outside, step, and depth using this caliper, and you’ll get consistent readings each time. The versatility also contributes to the caliper’s greatness. Other than the high price, you can’t find any flaw in this tool.  


  • Comes with an IP67 rating.
  • Easy to use.
  • Versatile and can measure various dimensions.
  • Consistent, accurate, and well-built.


  • Comparatively, a pricier option.

Short Verdict

If you don’t mind spending a fair amount of money on a legit and durable digital caliper, we highly recommend the Starret digital calipers. You can rely on it with your eyes closed. If you want more information, click here.

Brown & Sharpe Digital Caliper for Machinist Measuring Best Tool

brown and sharpe calipers

The last product we are about to review in our guide is the one from Brown & Sharpe. It’s a multi-purpose caliper you can use for measuring various objects. Along with many other features, it comes with an IP40 rating.

The jaws can take inside, outside, and step measurements. But that’s not all. There’s an around-depth rod on the caliper that you can use to measure the depth of different objects.

The accuracy level and consistency make it the perfect tool for machinists. So, if you haven’t chosen a caliper for yourself yet, we would recommend keeping it on your bucket list. Besides, the caliper is so multi-purpose that anyone can use it, including hobbyists, jewelers, woodworkers, and reloading enthusiasts.

The stainless steel frame does wonders when it comes to smooth sliding and corrosion resistance. It’s an extremely comfortable tool to use, even if you are just starting out. The LCD is also high in resolution and offers clear readings to make it easily visible for everyone.


  • Precise, consistent, and accurate measurement of various objects.
  • Comes with an IP40 rating.
  • The stainless steel frame offers smooth sliding.
  • Diverse in functions so that everyone can use it.


  • Switching between inch and mm is a bit complicated

Short Verdict

Are you already feeling curious about the caliper? Why not give it a go? Click here to learn more about it.

Buying Guide of Best Digital Calipers for Machinists 2022

We’ve already introduced you to the best calipers available in the market for machinists. However, we still want you to know the important aspects of identifying the best quality digital calipers for professional machinists. Take a look at the below sections to get some ideas about the criteria.

IP Rating

The IP rating is referred to as International Protection Rating. It’s an indicator of how your caliper will do in certain situations. A good IP rating will ensure that the caliper is water and dust-resistant.

For machinists, it’s an essential thing to look for in digital calipers due to the fact that they work in extreme environments.

Sturdy Construction

Machinists need calipers that are heavy-duty and well-built. They measure heavy parts, so the caliper must match that quality. A flimsy caliper won’t be suitable for such a workplace.

High-quality stainless steel can make sure that the caliper is well-built. Besides, it can also contribute to the factor of smooth sliding.

Conveniently Readable Display

The display on digital calipers should be high-resolution and clear so that everyone can understand the readings without any issues. Large font size is also a beneficial factor when it comes to convenient readability.

User-Friendly Features

Some features make a caliper more user-friendly than others. For instance, an auto-shutoff system is suitable for everyone. People often prefer an easy-to-use caliper compared to more fancy ones.

Besides, if you’re going to use a caliper regularly for a long time, the user-friendly features can come in handy.  

Consistency and Accuracy

Machinists will need better accuracy and consistency compared to other users. So, you should be careful when selecting the caliper. Make sure that the caliper comes with an accuracy level of 0.01 mm.

The caliper should also be consistent. If a caliper provides different results each time, it defeats the purpose of accurate measurement.

Latest Price

If you are getting a precise and durable caliper, it’ll cost you comparatively more than others. However, make sure not to spend a fortune on a digital caliper that doesn’t deliver the features you want. If you’re paying a fair amount for a high-end caliper, ensure you’re entirely happy with your purchase.  

Note that it’s always better to get one high-quality caliper than to spend more money on low-quality multiple ones. Don’t be hesitant to invest a good amount if you want your caliper to last long.

User Reviews

If you’re conflicted among multiple alternatives, a good way to be certain is to compare the user reviews. User reviews can help you identify the better option. The manufacturer’s website often lacks the information you seek. The reviews left by the users can provide you with insights about the caliper you’re considering.

These reviews are not only effective for finding flaws in a caliper. Sometimes, you may discover something extraordinary that the manufacturer forgot to mention in the product description. Besides, random online shopping can be riskier than getting a product directly. So, get an idea about what the product feels like in a physical form from the user reviews.

11 Maintenance Tips for your Digital Calipers 2022 (From Expert Machinist)

An Expert Machinist shared his experience with us about how you can care for your digital calipers. Here are the 11 maintenance tips for your favorite digital caliper.

  • Avoid dropping your caliper on the surface to prevent damaging the integrity of the caliper.
  • Store it in a safe environment to prevent it from damage.
  • Make sure the measurements you’re taking are within the caliper’s limit.
  • Ensure to follow the instructions provided by the manufacturer.
  • Clean your caliper before and after you take measurements. Make sure there isn’t any debris inside the jaws, or your readings will be wrong.
  • Use the caliper’s case to store it safely.
  • Do not measure anything prohibited by the manufacturer.
  • Even if your caliper is waterproof, try to keep it away from water or any other liquid.
  • Remove the battery if you don’t intend to use the caliper for an extended period.
  • Remember to turn off your caliper if it doesn’t come with an auto-shutoff system.
  • Keep the battery power in check and always store a spare battery to avoid unwanted circumstances.

Related: Also Learn about Reloading and Gunsmithing calipers to get some professional suggestions.

Here Are Some Frequently Asked Questions About “Digital Calipers for Machinists” that People Want to Know: FAQs

What is a Machinist Caliper?

Some calipers are more suitable for machinists than others. Even though calipers aren’t as precise as micrometers, there can’t be a better option than a caliper when quick measurements are required. High-end calipers with a better accuracy rate are considered suitable for machinists. Besides, the caliper should have an IP rating.

What kind of caliper is the most accurate for Machinists?

Digital calipers with an improved accuracy rate will be the most accurate. These calipers are also easy to use, have sturdy construction, and provide consistent readings for various measurements.

What is a good brand of the caliper for professional Machinists?

There are several caliper brands considered good among users. Mitutoyo, for instance, is an excellent example. Other reliable and high-end brands include Starret, Eagems, Vinca, iGaging, etc.

Are dial calipers more accurate than digital calipers?

Many people assume that dial calipers are comparatively more accurate than digital ones. The topic is debatable because it depends on what brand caliper you are using. A good-quality dial caliper will be more accurate than a low-quality digital caliper and vice versa.

Final Words

We’ve talked about several calipers in this review. Even though all of them are best for diverse measurements, it depends a lot on your comfort. You should be comfortable with the structure, price, consistency, and reliability to declare it as one of the best calipers for machinists in 2022.

Take your time before evaluating all your options, and make sure you choose the caliper that’s particularly suitable for you. It’s always better to take your time to avoid any unwanted situation.

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Calvin Cameron

Hello, I'm Calvin Cameron. I'm a metalworking specialist for more than a decade. As a metalworker, I've been working in various areas like automotive plants, jewelry shops, and shipyards. I'm experienced with a lot of machines, tools, and materials. This is my loving area where I can talk and share about tools, measurement, and provide accurate data. Hope you will find some really good things from my research and studies. Enjoy reading.

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