TEQ — Trust Egypt for Quality and Calibration Systems

History of Measurement

Explore the development of measurement from ancient Egypt to modern SI units.

• Measurement in Ancient Egypt: The Royal Cubit and the First Standards of Mass

  How ancient Egypt measured length, mass and volume, how long the royal cubit was, and why its system of master and working cubits still describes calibration today.

• From the Metre of 1799 to the SI of 2019

  How the metric system began, how the SI grew to seven base units, and what the 2019 redefinition based on fundamental constants means for calibration.