National Physical Laboratory

Dimensional Dimensional

Dimensional metrologists at NPL provide a wide range of services, facilities and expertise to support UK manufacturing, science and the metrology community.

We operate a range of unique facilities, housed in state-of-the-art temperature-controlled laboratories, in order to offer the smallest measurement uncertainties in the UK.

What we do

Provide a range of standard and bespoke measurement services and solutions, many of which are accredited to ISO 17025.

Provide specialist advice and consultancy.

Undertake leading edge R&D to provide future measurement standards, instruments and services.

Dissemination of knowledge and best practice to industry through publications, training, networks and measurement services.

For general enquiries, please contact us

Latest News & Case Studies

Research topics


The National Freeform Centre at NPL

Large volume

Large volume dimensional metrology

Core surface topography

Fundamental research, traceability and good practice

High dynamic rangeMetrological AFM

Step-change enhancements to speed, range and resolution

Micro-coordinate metrologyMini CMM probe

Tactile and optical metrology, complex measurements

X-ray computed tomographyXCT

Traceable metrology development and good practice

Metrological AFMMetrological AFM

Measuring errors and tip-sample interactions

Displacement measurementX-ray interferometer

High accuracy at the nanometre and sub-nanometre scale



Online dimensional measurement training is now available with
NPL e-Learning

Measurement needs

Please tell us about any measurement needs you may have. Some examples of these might be:

  • Issues relating to product inspection
  • Issues relating to process control
  • Training requirements
  • Obtaining specialist calibration or testing support
  • Problem solving on measurement issues
  • Demonstrating or assessing measurement system or product performance

Your input will help us to develop our future work.

Take the survey


Please note that the information will not be divulged to third parties, or used without your permission