BATAS PAMBANSA BLG. 8

: The primary purpose is to define the metric system and its units, provide for its implementation, and enforce its exclusive use in the Philippines starting January 1, 1983.
: The exclusive use of the metric system in the Philippines commenced on January 1, 1983.
: It refers to the International System of Units (SI), as established by the General Conference of Weights and Measures and modified by the Metric System Board to suit Philippine conditions.
: The Metric System Board is responsible for the implementation, including rules, regulations, conversion tables, metrication programs, and enforcement.
: Length is measured by the metre, mass by the kilogram, and time by the second.
: Violators may be fined up to One Thousand Pesos, or imprisoned for up to one year, or both. If the violator is a juridical person, responsible officers are liable. Alien offenders are to be deported after serving their sentence.
: It is tasked with establishing and maintaining national standards for the base units, with the concurrence of the Metric System Board.
: The radian for plane angle and the steradian for solid angle are defined as supplementary units.
: Any provision inconsistent with this law is repealed or modified accordingly as per the repealing clause of the Act.
: National Metrication Month is observed every November until 1983, to enhance awareness and facilitate adjustment to the metric system.