The international meter convention was concluded in 1875 and has since been recognized by almost all countries in the world. All internationally applicable dimensions and weights are based on the metric system. On October 20, 1983, the International Commission for Dimensions and Weights defined a meter as follows: The meter is the length of the distance that the light travels in a vacuum in a time interval of 1/299792458 a second. After several versions, a measure of comparison was finally found that can be regarded as unchangeable in time. Mostly for traditional or aesthetic reasons there was or is resistance to the introduction, particularly in the USA, Great Britain, Canada (except Québec) and Japan. Relics of old systems can be found in many countries, e.g. Partly in the form of redefined (“metrified”) units (e.g. pounds weighing 500 g) and partly due to the influence of the US economy (inches, such as screen sizes).
One liter of water weighs exactly one kilogram (kg) and has a volume of 1 dm³ at a temperature of 3.98 ° C and an air pressure of 1013.25 hPa (hectopascals). The Anglo-American measuring systems have their origin in older English systems and were also used in other Commonwealth countries and colonies before the introduction of the metric system. The "Imperial System" was introduced in 1824. Today they are almost only used as “customary units” in the USA and partly in England. The ancient Roman dimensions are below congius contain. A list of measurement-related units in connection with wine can be found under the key words drum types. space measurements. bottles. capacity measures. units and wine vessels,