How many AU is 1 mile?

One mile equals approximately 1.076 x 10-8 AU (about 11 billionths of an AU).

How many miles are in 1 AU?

One AU contains approximately 92,955,807 miles (about 93 million).

How far is the Sun in miles?

The Sun is about 92.96 million miles (1 AU) from Earth. Light covers this in about 8 minutes 20 seconds.

Miles to Astronomical Units (mi to au) Converter

1 mi = 1.07578 × 10⁻⁸ au

1 Mile equals 1.07578 × 10⁻⁸ Astronomical Units (1 mi = 1.07578 × 10⁻⁸ au). Convert Miles to Astronomical Units with formula, table, and examples.

One mile equals approximately 1.076 x 10^-8 astronomical units. The Earth-Sun distance (1 AU) is about 92.956 million miles. The mile measures American road distances; the AU measures planetary orbits.

How to Convert Miles to Astronomical Units

au = mi × 1.07578 × 10⁻⁸

Multiply the value in Miles by 1.07578 × 10⁻⁸

Take your value in Miles
Multiply by 1.07578 × 10⁻⁸
Read the result in Astronomical Units

Common Miles to Astronomical Units Conversions

Miles (mi)	Astronomical Units (au)	Status
1 mi	1.07578 × 10⁻⁸ au
5 mi	5.3789 × 10⁻⁸ au
10 mi	1.07578 × 10⁻⁷ au
26.2 mi	2.81854 × 10⁻⁷ au
50 mi	5.3789 × 10⁻⁷ au
100 mi	0.000001 au
500 mi	0.000005 au
1,000 mi	0.00001 au
10,000 mi	0.0001 au
100,000 mi	0.0011 au
1,000,000 mi	0.0108 au
92,955,807 mi	1 au

Good to Know About Miles to Astronomical Units Conversion

Americans learn that the Sun is '93 million miles away.' This number, drilled into every US student, is the only astronomical distance most Americans know in miles. It serves as the mental anchor for all space distances, even though professional astronomers never use miles.

Miles to Astronomical Units: What You Need to Know

The Sun is about 93 million miles away. Mars at closest approach is about 34 million miles (0.37 AU). The Moon is about 238,855 miles (0.00257 AU). Converting miles to AU helps Americans contextualize solar system distances in their road-trip 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 →

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 →

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

Miles to Astronomical Units FAQ

One mile equals approximately 1.076 x 10^-8 AU (about 11 billionths of an AU).
One AU contains approximately 92,955,807 miles (about 93 million).
The Sun is about 92.96 million miles (1 AU) from Earth. Light covers this in about 8 minutes 20 seconds.

Non-Frequently Asked Questions About Miles to Astronomical Units

Questions nobody should ask - but someone did.

At 60 mph non-stop, driving 92.96 million miles to the Sun takes about 1,549,264 hours = 176.9 years. You would need about 7 generations of drivers, 450,000 oil changes, and infinite air conditioning. AAA does not cover this route.
New York to LA is about 2,800 miles. 1 AU is about 93 million miles. That is about 33,200 cross-country trips. If you drove coast-to-coast once per week, it would take 639 years. The Sun is very far in road-trip terms.
A car with 200,000 miles on the odometer has traveled 0.00215 AU, or about 1/465th of the Earth-Sun distance. After a lifetime of driving, your car has barely left Earth's neighborhood in astronomical terms. Your Honda is not exploring the cosmos.