📐 Astronomical Units to Kilometers Converter

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25 astronomical units =
3,739,950,000 kilometers
1 astronomical unit =
149,598,000 kilometers
1 kilometer =
6.68459 × 10⁻⁹ astronomical units
Formula
km = AU × 149,598,000
Handy values
5 AU = 747,989,000 km · 10 AU = 1,495,978,707 km · 100 AU = 14,959,787,070 km

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⚡ Astronomical Units to Kilometers: the quick answer

1 AU = 149,598,000 km 1 astronomical unit equals 149,598,000 kilometers

To convert astronomical units to kilometers, multiply the value by 149,598,000. To go the other way, multiply kilometers by 6.68459 × 10⁻⁹ to get astronomical units.

↔ Convert kilometers to astronomical units instead

🧮 Formula

Astronomical Units to Kilometers
km = AU × 149,598,000
Kilometers to Astronomical Units
AU = km × 6.68459 × 10⁻⁹

Where

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

📊 Astronomical Units to Kilometers conversion table

Astronomical Units (AU)Kilometers (km)
1 AU149,598,000 km
2 AU299,196,000 km
3 AU448,794,000 km
4 AU598,391,000 km
5 AU747,989,000 km
6 AU897,587,000 km
7 AU1,047,190,000 km
8 AU1,196,780,000 km
9 AU1,346,380,000 km
10 AU1,495,978,707 km
12 AU1,795,170,000 km
14 AU2,094,370,000 km
15 AU2,243,970,000 km
20 AU2,991,957,414 km
21 AU3,141,560,000 km
24 AU3,590,350,000 km
25 AU3,739,950,000 km
30 AU4,487,936,121 km
40 AU5,983,914,828 km
50 AU7,479,893,535 km
60 AU8,975,872,242 km
75 AU11,219,800,000 km
80 AU11,967,829,656 km
100 AU14,959,787,070 km
200 AU29,919,574,140 km
250 AU37,399,467,675 km
300 AU44,879,361,210 km
400 AU59,839,148,280 km
500 AU74,798,935,350 km
750 AU112,198,403,025 km
1,000 AU149,597,870,700 km

✏️ Worked examples

Convert 25 astronomical units to kilometers

25 AU × 149,598,000 = 3,739,950,000 km

Try this example →

Convert 250 astronomical units to kilometers

250 AU × 149,598,000 = 37,399,467,675 km

Try this example →

📘 About these units

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

Kilometer (km). A kilometer is 1,000 meters and the standard unit for road distances in most countries, including India.

❓ Frequently asked questions

How many kilometers are in one astronomical unit?

There are 149,598,000 kilometers in one astronomical unit.

How do I convert astronomical units to kilometers?

Multiply the number of astronomical units by 149,598,000. For example, 10 astronomical units equal 1,495,978,707 kilometers.

How many astronomical units are in one kilometer?

One kilometer equals 6.68459 × 10⁻⁹ astronomical units.

How many kilometers is 12 astronomical units?

1,795,170,000 kilometers. Other common values: 5 astronomical units = 747,989,000 kilometers and 100 astronomical units = 14,959,787,070 kilometers.

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