How many miles are in 1 AU?

One AU equals approximately 92,955,807 miles (about 93 million miles). This number is one of the most frequently cited facts in popular astronomy.

How far is the Sun from Earth in miles?

The Sun is approximately 92.96 million miles from Earth (1 AU). This varies from about 91.4 million miles (perihelion) to 94.5 million miles (aphelion) over the year.

How far is Mars in miles?

Mars ranges from about 34 million miles (55 million km, at closest approach) to about 250 million miles (401 million km, when on the opposite side of the Sun from Earth). In AU, that is 0.37 to 2.68 AU.

Astronomical Units to Miles (au to mi) Converter

1 au = 92,955,807.273 mi

1 Astronomical Unit equals 92,955,807.273 Miles (1 au = 92,955,807.273 mi). Convert Astronomical Units to Miles with formula, table, and examples.

One astronomical unit equals approximately 92,955,807 miles, or about 93 million miles. This is the classic American expression of the Earth-Sun distance, appearing in countless science textbooks, news articles, and popular astronomy references. 'Ninety-three million miles' is one of the most frequently cited astronomical facts.

How to Convert Astronomical Units to Miles

mi = au × 92,955,807.2730255276

Multiply the value in Astronomical Units by 92,955,807.2730255276

Take your value in Astronomical Units
Multiply by 92,955,807.2730255276
Read the result in Miles

Common Astronomical Units to Miles Conversions

Astronomical Units (au)	Miles (mi)	Status
1 × 10⁻⁷ au	9.2956 mi
0.000001 au	92.9558 mi
0.00001 au	929.5581 mi
0.0001 au	9,295.5807 mi
0.001 au	92,955.8073 mi
0.01 au	929,558.0727 mi
0.1 au	9,295,580.7273 mi
0.39 au	36,252,764.8365 mi
0.72 au	66,928,181.2366 mi
1 au	92,955,807.273 mi
1.52 au	141,292,827.055 mi
5.2 au	483,370,197.8197 mi
9.5 au	883,080,169.0937 mi
30 au	2,788,674,218.1908 mi

Good to Know About Astronomical Units to Miles Conversion

'Ninety-three million miles from the Sun' is one of those facts every American learns in school. It is arguably the single most repeated astronomical measurement in the English language, alongside the speed of light at 186,000 miles per second.

Astronomical Units to Miles: What You Need to Know

The Sun is about 93 million miles from Earth. Mars at its closest approach is about 34 million miles (0.37 AU). Jupiter orbits at about 484 million miles (5.20 AU). American space coverage routinely uses miles alongside AU to make distances relatable to the general public.

What is a Astronomical Unit? au

Exactly 149,597,870,700 meters by IAU 2012 definition. Roughly the average distance from the Earth to the Sun. Used for distances within our solar system.

Astronomical solar system distances astronomy planetary science

Learn more about Astronomical Unit →

What is a Mile? mi

An imperial unit of length equal to 5,280 feet or approximately 1.609 kilometers. The standard unit for road distances in the US and UK.

Imperial Us-customary road distances (US/UK) running aviation

Learn more about Mile →

Going the other way? Use our Miles to Astronomical Units converter.

Astronomical Units to Miles FAQ

One AU equals approximately 92,955,807 miles (about 93 million miles). This number is one of the most frequently cited facts in popular astronomy.
The Sun is approximately 92.96 million miles from Earth (1 AU). This varies from about 91.4 million miles (perihelion) to 94.5 million miles (aphelion) over the year.
Mars ranges from about 34 million miles (55 million km, at closest approach) to about 250 million miles (401 million km, when on the opposite side of the Sun from Earth). In AU, that is 0.37 to 2.68 AU.

Non-Frequently Asked Questions About Astronomical Units to Miles

Questions nobody should ask - but someone did.

1 AU is about 92.96 million miles. At typical airline loyalty rates of 1 cent per mile, that trip would be worth about $929,600 in rewards. Unfortunately no airline flies that route. Yet.