How tall is 1000 mm

Type in your own numbers in the form to convert the units! You can do the reverse unit conversion from feet to mm , or enter any two units below:. A millimetre American spelling: millimeter, symbol mm is one thousandth of a metre, which is the International System of Units SI base unit of length. The millimetre is part of a metric system.

A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre. A foot plural: feet is a non-SI unit of distance or length, measuring around a third of a metre. There are twelve inches in one foot and three feet in one yard.

You can find metric conversion tables for SI units, as well as English units, currency, and other data. Prior to this definition, the meter was based on the length of a prototype meter bar. In , the meter has been re-defined based on the changes made to the definition of a second. Definition: A foot symbol: ft is a unit of length in the imperial and US customary systems of measurement. A foot was defined as exactly 0.

One foot contains 12 inches, and one yard is comprised of three feet. The various lengths were due to parts of the human body historically being used as a basis for units of length such as the cubit, hand, span, digit, and many others, sometimes referred to as anthropic units.

This resulted in the measurement of a foot varying between mm and mm in the past compared to the current definition of While the United States is one of the few, if not only, countries in which the foot is still widely used, many countries used their own version of the foot prior to metrication, as evidenced by a fairly large list of obsolete feet measurements.

Current use: The foot is primarily used in the United States, Canada, and the United Kingdom for many everyday applications. In the US, feet and inches are commonly used to measure height, shorter distances, field length sometimes in the form of yards , etc.