Foot
A foot (plural: feet) is a unit of length commonly used in the United States, the United Kingdom, and some other countries. One foot equals 12 inches or about 0.3048 meters. Feet are often used to measure height, room dimensions, and short distances. For example, a person might be 5 feet 8 inches tall. The abbreviation for foot is "ft". Although many countries use the metric system, feet remain popular in daily life and construction in countries using the imperial system.
Astronomical Unit (a.u.) of Length
The astronomical unit (a.u.) is a unit of length used primarily in astronomy to describe distances within our solar system. It is defined as the average distance between the Earth and the Sun.
Key facts:
1 astronomical unit ≈ 149,597,870.7 kilometers (about 93 million miles)
Used to measure distances between planets and other objects in the solar system
Provides a convenient scale for expressing space distances that are too large for kilometers but too small for light-years
The astronomical unit helps astronomers communicate and calculate orbits, planetary positions, and space missions with clarity and precision.
No conversions available for length.