 Convert Feet (ft) to Astronomical Units (AU) | ft in AU
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# Let's convert Feet (ft) to Astronomical Units (AU)

This quick and easy calculator will convert Feet (ft) to Astronomical Units (AU) and show formula, brief history on the units and quick maths for the conversion.

## Quick Reference for Converting Feet to Astronomical Units

Formula
AU = ft / 490807086614.17
Quick Rough Maths
To get the Astronomical Units, divide the number of Feet by 490.8 billion
Feet (ft) in 1 Astronomical Unit
There are 490807086614.17 Feet in 1 Astronomical Unit
Astronomical Units (AU) in 1 Foot
There are 0 Astronomical Units in 1 Foot

## Unit Information

Foot
/fʊt/
Symbol: ft
Unit System: Imperial

### What is the Foot?

The foot is a unit of length in the imperial unit system and uses the symbol ft.

One foot is exactly equal to 12 inches. It is also exactly equal to 0.3048m. One yard is comprised of three feet.

The foot is just behind the metre in terms of widespread use due to its previous popularity. The US is the only developed country that still uses the foot in preference to the metre.

The UK still uses feet to express human height more than metres.

Astronomical Unit
/astrəˈnɒmɪk(ə)l ˈjuːnɪt/
Symbol: AU
Unit System: Astronomical system of units

### What is the Astronomical Unit?

The astronomical unit is a unit of length and is used in the Astronomical system of units and denoted by the symbol au.

It represents the average distance between the Earth and the Sun which is approximately 150 million kilometres (or 93 million miles).

It's used mostly to express distances within our Solar System.