Calipers

Calipers are also known as callipers, they are a type of measuring instrument with a high degree of accuracy and little margin for error when measuring length or distances. They are mostly found in physics labs, machine shops and engineering applications. There are many styles but the principle of measuring are the same, we offer a large selection of calipers to meet your linear measurement needs.

To learn everything you need to know about calipers and their uses, check out our RS Components 'Complete Guide to Calipers'.

What are the key features?

Calipers have a robust construction, most commonly made from stainless steel. Some feature anti-glare, or satin finish that makes measurements easier to read. Some calipers will only allow for measurement of the inside or outside, depth or step of a product. However, many do give the option of measuring all of these. Calipers can display measurements in both imperial and metric.

Types of Caliper

  • Vernier caliperDigital vernier caliper
  • Dial caliper
  • Digital caliper
  • Spring caliper

Vernier Caliper - These are particularly useful when you need to measure something round. They feature a fixed main scale and a moving vernier scale. The main scale is normally in tenths of an inch or millimetres while the vernier scale normally measures to the nearest 0.02 millimetres or 0.001 inches.

Dial Caliper - These provide measurements with the same level of accuracy as Vernier calipers. However, instead of using two scales, a dial is used to read the final fraction of an inch or a millimetre on a dial. The measurement taken on a dial caliper is very easy to read.

Digital Caliper - Digital calipers use linear encoders to measure internal and external distances. This is then shown on a digital display which is simple to use and easy to read. Available with metric and imperial conversions so you can accurately measure objects with ease.

Spring Caliper - The primary purpose of spring calipers is to measure the internal and external diameter of an object. They differentiate by the measuring edges and get the name spring caliper by the spring joint that loads onto the nut. To adjust the size of the measuring tips turn the adjuster clockwise or anti-clockwise.

Are there calibration options?

We offer calibration on a wide range of vernier calipers and digital callipers. Browse our range now to view all our latest caliper offers with free next day delivery.


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Description Price Caliper Type Capacity Imperial or Metric Display Type Accuracy Resolution
RS Stock No. 841-2518
BrandRS PRO
$88.81
Each
units
Digital 150mm Both Digital 0.03 mm 0.0005 in, 0.01 mm
RS Stock No. 841-2537
BrandRS PRO
$35.65
Each
units
Dial 150mm Both Analogue 0.4 mm 0.1 mm
RS Stock No. 841-2511
BrandRS PRO
$148.51
Each
units
Digital 200mm Both Digital 0.03 mm 0.0005 in, 0.01 mm
RS Stock No. 247-206
BrandRS PRO
$107.66
Each
units
Digital 150mm Metric Digital ±0.03 mm 0.03 mm
RS Stock No. 841-2515
BrandRS PRO
$267.44
Each
units
Digital 300mm Both Digital ±0.04 mm 0.01 mm
RS Stock No. 841-2533
BrandRS PRO
$186.93
Each
units
Vernier 300mm Both Analogue 0.08 mm 0.001 in
RS Stock No. 841-2530
BrandRS PRO
$71.82
Each
units
Vernier 145mm Both Analogue 0.4 mm 0.001 in
RS Stock No. 877-1775
BrandRS PRO
$150.71
Each
units
Digital 200mm Metric Digital ±0.03 mm 0.01 mm
RS Stock No. 877-1779
BrandRS PRO
$251.00
Each
units
Digital 300mm Metric Digital ±0.04 mm 0.01 mm
RS Stock No. 464-9952
BrandRS PRO
$108.57
Each
units
Vernier 150mm Both Analogue ±0.001 in 0.02 mm
RS Stock No. 877-1788
BrandRS PRO
$1,064.57
Each
units
Digital 600mm Both Digital ±0.02 mm 0.01 mm
RS Stock No. 725-5698
BrandRS PRO
$113.96
Each
units
Dial 150mm Metric Analogue ±0.03 mm 0.02 mm
RS Stock No. 683-0721
BrandRS PRO
$54.33
Each
units
Spring 210mm Metric None - -
RS Stock No. 725-5715
BrandRS PRO
$169.85
Each
units
Dial 200mm Metric Analogue ±0.03 mm 0.02 mm
RS Stock No. 248-9168
BrandRS PRO
$144.69
Each
units
Dial 150mm Both Analogue ±0.02 mm 0.02 mm
RS Stock No. 841-2521
BrandRS PRO
$319.74
Each
units
Digital 150mm Both Digital 0.4 mm 0.01 mm
RS Stock No. 683-0728
BrandRS PRO
$47.48
Each
units
Spring 150mm Metric None - -
RS Stock No. 200-5406
BrandRS PRO
$54.66
Each
units
Vernier 150mm Metric Vernier - -
RS Stock No. 247-161
BrandRS PRO
$127.08
Each
units
Digital 150mm Both Digital ±0.03 mm 0.02 mm
RS Stock No. 683-0703
BrandRS PRO
$43.36
Each
units
Jenny 175mm Both None - -