Linear Measurement

Browse our range of linear measurement equipment that includes calipers, distance meters, tape measures and lever dial indicators from manufacturers like Stanley and our own quality RS Pro brand.

What is meant by linear measurement?

Linear measurement refers to the measurement of a straight distance between two points, usually, this is a dimensional reference such as length, height or width of an object.

Units of linear measurement

Measurements are usually taken in a standard unit format that is either in metric or imperial units. The imperial system uses inches, feet, and yards. Whereas the metric system uses millimetres, centimetres and meters.

Measuring tools for linear measurement

There are a number of different instruments that are used for linear measuring. They can be classified into two methods of measuring, direct and indirect. Some instruments are can be further defined as graduated instruments as they have a linear scale on them used to take the measurement. Tools can be selected based on the application, the size of the distance or object being measured and the levels of precision required. Some popular types of products include :

  • Rules - for measuring lengths, available in a range of sizes and materials such as wood, plastic and steel.
  • Calipers - a handheld device for measuring distances between two points. The tips of the caliper are opened to the size of the distance, then removed and measured with a device such as a ruler. Common types include Vernier calipers, digital calipers and dial calipers.
  • Tape measures - for measuring lengths and distances, commonly used in DIY and carpentry. Available in different sizes, materials and with different measurement scales.
  • Micrometres - used for measuring small distances when high accuracy is required.
  • Dial indicators - round dial face present with visual scale and needle. Ideal use with machinery such as milling machines to check the accuracy of a work detecting small imperfections.
  • Distance meters - records measurements accurately using a laser, without any contact.
  • Feeler gauges - for measuring the width of gaps, commonly used in engineering. Usually, have a collection of small lengths of steel that are different thicknesses.

Guides & Articles

article1_image

Everything you need to know about Tape Measures

article1_image

In our comprehensive guide, we look at the different types of calipers, what they are used for and how they work with some handy tips on how to use them.

Related Products
500 Series 150 mm DIN 862 Super Digital ...
Description:
500 Series 150 mm DIN 862 Super Digital Caliper Environmentally friendly model does not require batteries Flat depth gauge Min. luminosity for use: 60 lux Supplied in a case Impact proof housingIP67 Coolant proof.
An imperial/metric universal vernier caliper for internal and ...
Description:
An imperial/metric universal vernier caliper for internal and external measurements Stainless steel hardened to HV500, for maximum wear resistance Satin chrome finish Knurled thumbscrew slide lock.
The IP67 digital caliper complies with DIN EN ...
Description:
The IP67 digital caliper complies with DIN EN 60 529 is dust proof and withstands temporary complete immersion in water without suffering any damage Sliding calliper with 0 - 150 mm measurement range.Equipped with a flat depth gauge.Precision: 0.02 mm.Resolution: ...
Electronic calipers with an LCD display which will ...
Description:
Electronic calipers with an LCD display which will display in either ’metric/imperial (switchable)’ or ’metric only’ reading depending on model Fully hardened stainless steel beam & jaws with an anti-glare, satin chrome finish.