Convert 1 Astronomical unit to Kilometer (1 au to Kilometer)
Looking to convert 1 astronomical unit (au) to kilometer (Kilometer)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Astronomical unit and Kilometer and how to calculate conversions manually or using online tools.

Looking to convert 1 astronomical unit (au) to kilometer (Kilometer)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Astronomical unit and Kilometer and how to calculate conversions manually or using online tools.
What is Astronomical unit to Kilometer Conversion?
Astronomical unit (au) and kilometer (Kilometer) are both units used to measure length, but they serve different purposes depending on the scale of the measurement. If you ever need to convert astronomical unit to kilometer, knowing the exact conversion formula is essential.
Au to kilometer Conversion Formula:
One Astronomical unit is equal to 149597870.7 Kilometer.
Formula: 1 au = 149597870.7 Kilometer
By using this conversion factor, you can easily convert any length from astronomical unit to kilometer with precision.
Convert 1 Astronomical unit to Kilometer
To convert 1 astronomical unit to kilometer, multiply the value by 149597870.7 since:
1 astronomical unit = 149597870.7 kilometer
So:
1 × 149597870.7 = 149597870.7
Result: 1 astronomical unit = 149597870.7 kilometer
Reverse Conversion
Need the reverse result? You can also convert kilometer back to astronomical unit by dividing 149597870.7:
149597870.7 kilometer ÷ 149597870.7 = 1 astronomical unit
For more, visit: Kilometer to Astronomical unit
Explore Related Conversion Tool
This page focuses specifically on converting 1 Astronomical unit to Kilometer. If you're looking to convert a different value, you can use our general conversion tool:
Frequently Asked Questions
What is 1 astronomical unit in kilometer?
1 astronomical unit is equal to 149597870.7 kilometer.
How do I convert astronomical unit to kilometer?
Multiply the value in astronomical unit by 149597870.7 to get the equivalent in kilometer.