📐 Miles to Astronomical Units Converter

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25 miles =
2.68945 × 10⁻⁷ astronomical units
1 mile =
1.07578 × 10⁻⁸ astronomical units
1 astronomical unit =
92,955,800 miles
Formula
AU = mi × 1.07578 × 10⁻⁸
Handy values
100 mi = 1.07578 × 10⁻⁶ AU · 1,000 mi = 1.07578 × 10⁻⁵ AU · 10,000 mi = 0.000107578 AU

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⚡ Miles to Astronomical Units: the quick answer

1 mi = 1.07578 × 10⁻⁸ AU 1 mile equals 1.07578 × 10⁻⁸ astronomical units

To convert miles to astronomical units, multiply the value by 1.07578 × 10⁻⁸. To go the other way, multiply astronomical units by 92,955,800 to get miles.

↔ Convert astronomical units to miles instead

🧮 Formula

Miles to Astronomical Units
AU = mi × 1.07578 × 10⁻⁸
Astronomical Units to Miles
mi = AU × 92,955,800

Where

  • mi = the length in miles
  • AU = the length in astronomical units
Every unit here is defined by its length in meters, so the conversion factor is (meters per mile) ÷ (meters per astronomical unit).

📊 Miles to Astronomical Units conversion table

Miles (mi)Astronomical Units (AU)
1 mi1.07578 × 10⁻⁸ AU
5 mi5.3789 × 10⁻⁸ AU
10 mi1.07578 × 10⁻⁷ AU
25 mi2.68945 × 10⁻⁷ AU
50 mi5.3789 × 10⁻⁷ AU
100 mi1.07578 × 10⁻⁶ AU
250 mi2.68945 × 10⁻⁶ AU
500 mi5.3789 × 10⁻⁶ AU
1,000 mi1.07578 × 10⁻⁵ AU
2,500 mi2.68945 × 10⁻⁵ AU
5,000 mi5.3789 × 10⁻⁵ AU
10,000 mi0.000107578 AU
100,000 mi0.00107578 AU
1,000,000 mi0.0107578 AU

✏️ Worked examples

Convert 25 miles to astronomical units

25 mi × 1.07578 × 10⁻⁸ = 2.68945 × 10⁻⁷ AU

Try this example →

Convert 250 miles to astronomical units

250 mi × 1.07578 × 10⁻⁸ = 2.68945 × 10⁻⁶ AU

Try this example →

📘 About these units

Mile (mi). The mile is 1,609.344 meters (5,280 feet), used for road distances in the US and the UK.

Astronomical unit (AU). An astronomical unit is the average distance from the Earth to the Sun, about 149.6 million kilometers.

❓ Frequently asked questions

How many astronomical units are in one mile?

There are 1.07578 × 10⁻⁸ astronomical units in one mile.

How do I convert miles to astronomical units?

Multiply the number of miles by 1.07578 × 10⁻⁸. For example, 10 miles equal 1.07578 × 10⁻⁷ astronomical units.

How many miles are in one astronomical unit?

One astronomical unit equals 92,955,800 miles.

How many astronomical units is 1,000 miles?

1.07578 × 10⁻⁵ astronomical units. Other common values: 100 miles = 1.07578 × 10⁻⁶ astronomical units and 10,000 miles = 0.000107578 astronomical units.

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