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Internal Market, Industry, Entrepreneurship and SMEs

Units of measurement

The European system of units of measurement stems from the International System of Units (SI). The use of units of measurement in the EU is set down in Directive 80/181/EEC, last amended by Directive 2009/3/EC.

Views on the directive

To this end, the European Commission gathered views on the directive in 2007


  • Directive 80/181/EEC relating to units of measurement;
  • Directive 2009/3/EC amending Council Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement.