🌌 Convert Astronomical Units to Kilometers
Convert astronomical units to kilometers.
Free online au to km with instant results, conversion formula, examples, and detailed guide
Interactive AU to KM Converter
Convert Astronomical Units to Kilometers instantly with our interactive calculator
💡 Did you know? Originally defined as 1/10,000,000 of the distance from equator to North Pole
AU to KM Conversion Formula
Step-by-step conversion:
- Enter your Astronomical Units value
- Multiply by 149597870.7
- Get your result in Kilometers
Example: 10 Astronomical Units = 10 × 149597870.7 = 1495978707 Kilometers
AU to KM Conversion Table
| Astronomical Units | Kilometers |
|---|---|
| 1 | 149597871 |
| 0.5 | 74798935 |
| 2 | 299195741 |
| 5 | 747989353 |
| 10 | 1495978707 |
💡 Try these values in the converter above for quick reference
About AU to KM Conversion
One astronomical unit is roughly the average Earth-Sun distance — sunlight takes about 8 minutes and 20 seconds to cross that distance.
When you need AU to KM conversion:
- Astronomy
- Space science
Did you know? One astronomical unit is roughly the average Earth-Sun distance — sunlight takes about 8 minutes and 20 seconds to cross that distance.
When you need AU to KM conversion:
- Astronomy
- Space science
Common AU to KM Conversions:
Frequently Asked Questions About AU to KM
How many Kilometers are in 1 Astronomical Units?
1 Astronomical Units equals exactly 149597870.7 Kilometers. This is the standard conversion factor used internationally. You can verify this using our converter above by entering 1 in the Astronomical Units field.
How do I convert Astronomical Units to Kilometers?
To convert Astronomical Units to Kilometers, multiply your Astronomical Units value by 149597870.7. For example: 1 Astronomical Units × 149597870.7 = 149597871 Kilometers. Use our free calculator above for instant results.
What is 2 Astronomical Units in Kilometers?
2 Astronomical Units equals 299195741 Kilometers. This is calculated using the conversion factor 149597870.7. You can verify this calculation using our free converter tool above.
What is the formula for AU to KM conversion?
The formula for AU to KM is: Kilometers = Astronomical Units × 149597870.7. This is a direct multiplication formula. Simply multiply any Astronomical Unitsvalue by 149597870.7 to get the equivalent in Kilometers.
Is this AU to KM converter accurate?
Yes! Our AU to KM converter uses internationally recognized conversion factors and provides results accurate to multiple decimal places. The calculator is regularly tested and validated against official conversion standards and results are accurate to 6 decimal places using the exact conversion factor 149597870.7. It's trusted by students, professionals, and anyone needing reliable length conversions.
Can I convert Kilometers back to Astronomical Units?
Yes! Our converter works both ways. You can easily convert Kilometers back to Astronomical Units by using the reverse conversion button or by visiting our length converter page and selecting Kilometers as your input unit.