How many kilometers are in one astronomical unit?

One astronomical unit equals 149,600,000 kilometers, which is the mean Earth–Sun distance.

Can I convert kilometers back to astronomical units on this site?

Yes, the AllUnits page includes a swap option that allows conversion from kilometers to astronomical units.

What precision levels are available for the conversion result?

Users can choose from 2, 4, 6, 8, or 10 decimal places to control the displayed precision of the result.

Is there a conversion table included on the page?

Yes, the page provides a conversion table listing common AU-to-km values from 0.01 AU up to 50,000 AU.

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Astronomical Units to Kilometers Converter

Provided byAllUnitsallunits.net

Free online AU to km converter with input field, formula, and a conversion table. It lists common AU-to-km examples a...

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About this tool

What Astronomical Units to Kilometers Converter does

The AllUnits Astronomical Units to Kilometers Converter lets users convert AU to km by entering a value and selecting a precision level. The result displays the converted distance instantly, and a built-in conversion table provides quick reference points for common values. The site also includes brief explanations of the astronomical unit and the kilometer, grounding the conversion in real-world context. Users get a straightforward calculation without needing to memorize the formula manually.

Step by step

How to use the AllUnits Astronomical Units to Kilometers Converter

1
Enter the number of Astronomical Units (AU) into the input field
2
Select the desired decimal precision from the Decimals menu (2, 4, 6, 8, or 10)
3
View the converted result in Kilometers (km) displayed below the controls
4
Consult the conversion table for quick reference values
5
Use the swap function if needed to convert from kilometers back to AU

Is it right for you

Best for

This converter suits students, educators, and space enthusiasts who need quick, accurate AU-to-km conversions with adjustable precision and a helpful reference table.

Limitations

Precision is limited to the selectable decimal options (2, 4, 6, 8, 10)
The tool does not support unit switching for other length measurements
Results are based on the fixed conversion factor of 1 AU = 149,600,000 km

Questions

Astronomical Units to Kilometers Converter FAQ

How many kilometers are in one astronomical unit?: One astronomical unit equals 149,600,000 kilometers, which is the mean Earth–Sun distance.
Can I convert kilometers back to astronomical units on this site?: Yes, the AllUnits page includes a swap option that allows conversion from kilometers to astronomical units.
What precision levels are available for the conversion result?: Users can choose from 2, 4, 6, 8, or 10 decimal places to control the displayed precision of the result.
Is there a conversion table included on the page?: Yes, the page provides a conversion table listing common AU-to-km values from 0.01 AU up to 50,000 AU.

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