National Physical Laboratory

Measurement Measurement

Good practice online modules on measurement

Introduction to measurement
An introduction to good measurement practice
Quick guideQuiz | Further information

Accuracy and precision
Introduction to the concepts of accuracy and precision
Quick guide | Quiz | Further information

International System of Units (SI)
An overview of the International System of Units (SI) at the centre
of modern science and technology
Quick guide | Quiz | Further information

Definition and realisation of SI base units
A brief exploration of the definition and realisation of SI base units
Quick guide | Quiz | Further information

Calibration and traceability
Introduction to the concepts of calibration and traceability
Quick guide | Quiz | Further information