The foot is a unit with a long history, dating to at least the time of the Roman Empire.
It is used in most countries in the world as an official unit of length. This precise definition, alongside the ease of use and its wide recognition is what makes it the preferred unit of length in science, engineering, architecture, etc. The meter is a modern metric, initially defined as the length of a particular metal alloy bar (the "Standard"), but was later redefined as the distance light travels in a vacuum in 1/299,792,458 seconds. They are often used when the dimensions of a larger object need to be expressed, as well as to measure small distances, such as the length of a house yard or garden.
Meters and feet are measurements of length, of slightly different magnitude. The symbol for meter is "m", while the symbol for foot is "ft". This is the definition according to the International System of Units (SI) and the ISO standards on quantities and units.
Approximately 3.2808 feet equal one meter, since a foot is defined as 0.3048 of a meter according to an international treaty signed in 1959.
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