Components ()
View all results.
Categories ()
View all results.
Sorry, we couldn't find anything for that search.
Recent Searches.
Return to Precision Components

Vernier Calipers.

No products match the filters selected.

Please clear the filters and try again.

No Results
Vernier Calipers

What are Vernier Calipers?

The vernier caliper is an indispensable tool in the engineer's toolkit, embodying precision and accuracy. It consists of two main components: a main scale (body) and a sliding vernier scale. This design enables exceptional measurement accuracy when an item is placed between the scales.

The caliper tool is adept at measuring internal and external diameters, as well as depths, making it indispensable in scenarios requiring utmost precision which we're sure you'll encounter daily. Accu's range of vernier scale calipers stands out with their ability to provide precise measurements down to the minutest detail compared to traditional tools such as a rule (ruler).

How Vernier Calipers Work.

Thanks to their unrivalled precision, vernier & digital calipers shine across various industries, from mechanical engineering to gunsmithing and woodworking. They work on a simple yet ingenious principle: aligning two scales with jaws at their ends to gauge distances with remarkable accuracy.

To obtain a vernier caliper reading, start by aligning the scales and closing the jaws to reach a zero point. As you draw the two scales apart, the caliper will display the measurement of the distance between the jaws. This allows for precise measurements of an object's length, width, depth, and other dimensions.

Whether it's a digital vernier caliper, boasting an electronic display for immediate reading, or a dial caliper, which combines the analogue dial's ease of reading with the vernier's precision, measuring calipers are pivotal in ensuring the accuracy of the component fit and functionality.

Uses of vernier calipers extend from the quality control of manufactured parts such as precision screws to the meticulous tuning of trigger assemblies, illustrating the vernier caliper's versatility and indispensability.

What Material Vernier Calipers Are Made From.

The choice of material for vernier calipers significantly influences their durability and application.

Stainless steel vernier calipers are often the go-to for their strength and resistance to corrosion, making them suitable for heavy-duty environments. Our range features carbide and ceramic-tipped jaw variants for even more longevity where precision matters.

Plastic calipers, on the other hand, offer a lightweight alternative for less demanding measurements making them ideal for educational purposes or environments where metal tools are unfeasible such as electronics.

The selection between stainless steel and plastic materials for caliper measuring tools hinges on the specific requirements of accuracy, environment and longevity. If you're ever unsure, our team of engineers can help.

What Type Vernier Calipers Are Available.

Our vernier caliper range highlight an array of sizes and types to suit any measurement needs, from the compact 75mm length perfect for tight workspaces to the more expansive 150mm caliper for larger projects.

We also realise accuracy is paramount and with vernier caliper resolutions ranging from +/- 0.02mm to 0.10mm to ensure precise readouts, we have your project needs covered.

As for whether you require an analogue reading for traditional precision, an electronic vernier caliper with digital readout for speed and ease, or the classic dial vernier caliper approach for a balance of both, we've got all variants to suit.

Lastly, our offerings are designed to accommodate measurements in both metric and imperial units and feature specialised jaws for measuring internal diameters, external diameters and depths ensuring that you have the right tool for every precision engineering challenge.

See our article What Is Metrology? to discover the benefits of verniers and how they compare to other measuring devices such as micrometers.


Q: How accurate is the vernier caliper?.

A: Vernier and digital calipers boast high precision with accuracies ranging from +/- 0.02mm to 0.10mm. Their high level of precision is essential in fields where detailed measurements are critical, making them ideal for engineering.

Q: Are vernier calipers more accurate than digital?.

A: Both vernier and digital calipers can achieve similar levels of precision. The choice often depends on preference and application. Digital calipers provide clear, easy-to-read measurements, while vernier calipers are valued for their reliability and battery-free operation. Accuracy-wise, they can be equally precise, simply refer to their accuracy tolerance.

Q: How is a vernier caliper better than a ruler?.

A: Vernier calipers outperform rulers in precision, measuring down to 0.02mm, and in versatility, capable of measuring internal and external diameters along with depths in one simple-to-use tool. This makes them indispensable for accurate and detailed measurements.

Q: What is the max length calipers can measure?.

A: Our vernier calipers can measure up to 150mm, accommodating a broad range of measurement needs. For measurements beyond this, specialised 300mm vernier calipers and beyond are available.

Q: What is the depth rod on a caliper?.

A: The depth caliper rod is a feature for measuring the depth of holes, slots and recesses. It extends from the caliper’s end, allowing for accurate depth measurement, adding to the vernier caliper’s versatility.

Bespoke Vernier Calipers Manufacture.

High precision, bespoke manufacture of Vernier Calipers to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

Get A Quote
Vernier Calipers Reviews

Your Browsing History.