How many kilometers are in one astronomical unit?

One astronomical unit equals 149,597,870.691 kilometers, as defined by the tool's conversion formula.

Can I convert from kilometers back to astronomical units?

Yes, the tool supports reverse conversion; one kilometer equals approximately 6.6845871226706E-9 astronomical units.

What other length units does the calculator support besides kilometers?

The calculator supports conversions to and from light minutes, light seconds, light years, miles, parsecs, meters, feet, inches, and other common length units.

Is the tool mobile-friendly for on-the-go conversions?

Yes, the Astronomical Unit Calculator on UnitConverters.net is designed to be mobile-friendly, allowing users to convert values directly from their devices.

General ConversionTool Review

Astronomical Unit Calculator

Provided byUnitConverters.netunitconverters.net

Converts astronomical units (AU) to kilometers and back with input fields and a conversion table. Includes worked exa...

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About this tool

What Astronomical Unit Calculator does

The Astronomical Unit Calculator on UnitConverters.net converts measurements between astronomical distance units. Users input a value in astronomical units (AU) or its equivalent in kilometers, light minutes, light seconds, light years, miles, or parsecs, and the tool instantly provides the converted result. The site presents a simple interface with input fields and a reference conversion table showing common AU-to-kilometer equivalents, from 0.01 AU up to 1000 AU, allowing quick lookups without manual calculation.

Step by step

How to use the UnitConverters.net Astronomical Unit Calculator

1
Open the Astronomical Unit Calculator on UnitConverters.net
2
Enter a value in the From field, selecting the desired unit from the dropdown (AU, km, light minutes, light seconds, light years, miles, or parsecs)
3
Select the target unit in the To field for the conversion you want
4
View the calculated result displayed instantly between the two input boxes

Is it right for you

Best for

This option suits beginners or anyone needing quick, accurate conversions between astronomical units and common length measurements without navigating complex formulas or paid software.

Limitations

Results are estimates based on fixed conversion factors
The page contains standard site navigation and advertisements
No option to adjust significant figures or precision beyond the default display

Questions

Astronomical Unit Calculator FAQ

How many kilometers are in one astronomical unit?: One astronomical unit equals 149,597,870.691 kilometers, as defined by the tool's conversion formula.
Can I convert from kilometers back to astronomical units?: Yes, the tool supports reverse conversion; one kilometer equals approximately 6.6845871226706E-9 astronomical units.
What other length units does the calculator support besides kilometers?: The calculator supports conversions to and from light minutes, light seconds, light years, miles, parsecs, meters, feet, inches, and other common length units.
Is the tool mobile-friendly for on-the-go conversions?: Yes, the Astronomical Unit Calculator on UnitConverters.net is designed to be mobile-friendly, allowing users to convert values directly from their devices.

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