Calipers

Calipers are instruments with adjustable tips that measure length or distance between an object’s opposite sides with a high degree of accuracy. Used in physics labs, machine shops and engineering applications, types include the Vernier caliper and digital caliper, but the principle of measuring remains the same. Some can provide a reading to the nearest 0.02 millimetres.

What are the main features of calipers?

They’re robust and commonly made from stainless steel. Some only measure the inside, outside, depth or step of an object, but many measure all of these. Calipers can display both imperial and metric measurements, with some featuring an anti-glare or satin finish to make them easier to read.

What are the different types of calipers?

Calipers vary by what they measure and how they can be read. The main types are:

Vernier caliper: Named after their inventor the French mathematician Pierre Vernier, Vernier calipers use a fixed main scale and a moving Vernier scale as a visual aid for measuring between two markings on a linear scale. Particularly useful when measuring something round, the main scale is normally in tenths of an inch or millimetres while the Vernier scale measures to the nearest 0.02 millimetres or 0.001 inches.

Dial caliper: These calipers provide the same level of accuracy as Vernier calipers but use a dial to read the final fraction of an inch or millimetre instead of two scales. Dial calipers are easy to read accurately.

Digital caliper: The digital caliper uses linear encoders to measure internal and external distances. This is shown on a digital display and available with metric and imperial conversions to 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 their name by the spring joint that loads onto the nut. You can turn the adjuster clockwise or anti-clockwise to adjust the size of the measuring tips.

Find out more in our Complete Guide to Calipers.

Where are calipers used?

Calipers are found in industrial applications from mechanical engineering and metalworking to medicine and science.


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Viewing 41 - 60 of 69 products
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Description Price Caliper Type Capacity Imperial or Metric Display Type Accuracy Resolution
RS Stock No. 732-498
Mfr. Part No.532-121
BrandMitutoyo
MYR1,709.14
Each
units
Vernier 280mm Both Analogue ±0.04 mm 0.02 mm
RS Stock No. 833-6451
Mfr. Part No.500-162-30
BrandMitutoyo
MYR1,127.87
Each
units
Digital 200mm Metric Digital ±0.02 mm -
RS Stock No. 486-8311
Mfr. Part No.505-731
BrandMitutoyo
MYR1,158.99
Each
units
Dial 200mm Both Analogue ±0.03 mm 0.02 mm
RS Stock No. 732-482
Mfr. Part No.532-120
BrandMitutoyo
MYR896.94
Each
units
Vernier 180mm Both Analogue ±0.03 mm 0.02 mm
RS Stock No. 664-6081
Mfr. Part No.500-706-20
BrandMitutoyo
MYR1,604.96
Each
units
Digital 150mm Metric Digital ±0.02 mm 0.01 mm
RS Stock No. 794-3604
Mfr. Part No.500-445
BrandMitutoyo
MYR1,452.56
Each
units
Digital 200mm Metric Digital ±0.02 mm 0.01 mm
RS Stock No. 794-3623
Mfr. Part No.551-331-10
BrandMitutoyo
MYR2,403.84
Each
units
Digital 300mm Metric Digital 0.04 mm 0.01 mm
RS Stock No. 224-5441
Mfr. Part No.DW852
BrandStarrett
MYR196.44
Each
units
Spring 150mm Metric None - -
RS Stock No. 224-5429
Mfr. Part No.DW851
BrandStarrett
MYR158.62
Each
units
Spring 150mm Metric - - -
RS Stock No. 833-6458
Mfr. Part No.500-161-30
BrandMitutoyo
MYR1,045.00
Each
units
Digital 150mm Metric Digital ±0.02 mm -
RS Stock No. 794-3614
Mfr. Part No.500-727-11
BrandMitutoyo
MYR2,426.62
Each
units
Digital 150mm Metric Digital ±0.02 mm 0.01 mm
RS Stock No. 794-3608
Mfr. Part No.500-719-20
BrandMitutoyo
MYR1,384.20
Each
units
Digital 150mm Metric Digital ±0.02 mm 0.01 mm
RS Stock No. 794-3617
Mfr. Part No.500-713-20
BrandMitutoyo
MYR1,731.05
Each
units
Digital 200mm Metric Digital ±0.02 mm 0.01 mm
RS Stock No. 795-9987
Mfr. Part No.572-601
BrandMitutoyo
MYR1,748.76
Each
units
Digital 150mm Metric Digital 0.03 mm 0.01 mm
RS Stock No. 795-9978
Mfr. Part No.572-600
BrandMitutoyo
MYR1,634.84
Each
units
Digital 100mm Metric Digital 0.03 mm 0.01 mm
RS Stock No. 224-5413
Mfr. Part No.DW850
BrandStarrett
MYR159.62
Each
units
Spring 150mm Metric - - -
RS Stock No. 794-3601
Mfr. Part No.500-444
BrandMitutoyo
MYR1,201.92
Each
units
Digital 150mm Metric Digital ±0.02 mm 0.01 mm
RS Stock No. 795-9980
Mfr. Part No.572-602
BrandMitutoyo
MYR2,073.45
Each
units
Digital 200mm Metric Digital 0.03 mm 0.01 mm
RS Stock No. 300-9959
Mfr. Part No.816
BrandFacom
MYR608.11
Each
units
Vernier 150mm Metric Analogue ±0.05 mm -
RS Stock No. 268-9093
Mfr. Part No.DW849
BrandStarrett
MYR123.53
Each
units
Spring 100mm Both None - -
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