Foot to Millimeter Converter

Foot

The foot (symbol: ft or ′) is a unit of length in the British imperial and United States customary systems of measurement.

Definition of a foot: one foot is defined as 0.3048 meters exactly. In both customary and imperial units, one foot comprises 12 inches and one yard comprises three feet.

The plural of foot is feet. The foot is often used to measure and express height of a person. In the aviation, the flying altitude is also expressed in feet (e.g. 'we are flying at a height of 30,000 feet').

The length of the international foot corresponds to a human foot with shoe size of 13 (UK), 14 (US male), 15.5 (US female) or 48 (EU sizing).

Millimeter

The millimeter (symbol: mm) is a unit of length in the metric system, equal to one thousandth of a meter. Meter, as you know, is the SI base unit of length. Therefore, there are one thousand millimeters in a meter. There are ten millimeters in a centimeter.

One millimeter is equal to 1000 micrometers or 1000000 nanometers. Since an inch is officially defined as exactly 25.4 millimeters, a millimeter is equal to exactly 5⁄127 (≈ 0.03937) of an inch.

The millimeter is often used in day-to-day life for measuring small lengths. For example, pressure is measured in millimeters of mercury (mmHg). A sheet of paper is typically between 0.07 mm and 0.18 mm thick, with ordinary printer paper or copy paper approximately 0.1 mm thick. More information

Feet To Millimeters Table