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


Freeform measurements at NPL

Large volume

Large volume dimensional metrology

Dimensional surface metrology

Fundamental research, traceability and good practice

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


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