L.4.1.1 EMU Unit of Measurement

Throughout ISO/IEC 29500, the EMU is used as a unit of measurement for length. An EMU is defined as follows:

The EMU was created in order to be able to evenly divide in both English and Metric units, in order to avoid rounding errors during the calculation. The usage of EMUs also facilitates a more seamless system switch and interoperability between different locales utilizing different units of measurement. EMUs define an integer based, high precision coordinate system.