# astronomical unit to light-second conversion

Conversion number between astronomical unit [AU] and light-second is 499.00478383616. This means, that astronomical unit is bigger unit than light-second.

### Contents [show][hide]

Switch to reverse conversion:
from light-second to astronomical unit conversion

### Enter the number in astronomical unit:

Decimal Fraction Exponential Expression
 [AU]
eg.: 10.12345 or 1.123e5

Result in light-second

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 astronomical unit = (exactly) (149597870700) / (299792458) = 499.00478383616 light-second
• 1 light-second = (exactly) (299792458) / (149597870700) = 0.0020039888041 astronomical unit
• ? astronomical unit × (149597870700  ("m"/"astronomical unit")) / (299792458  ("m"/"light-second")) = ? light-second

### High precision conversion

If conversion between astronomical unit to metre and metre to light-second is exactly definied, high precision conversion from astronomical unit to light-second is enabled.

Decimal places: (0-800)

astronomical unit
Result in light-second:
?

### astronomical unit to light-second conversion chart

 Start value: [astronomical unit] Step size [astronomical unit] How many lines? (max 100)

visual:
astronomical unitlight-second
00
104990.0478383616
209980.0956767231
3014970.143515085
4019960.191353446
5024950.239191808
6029940.287030169
7034930.334868531
8039920.382706893
9044910.430545254
10049900.478383616
11054890.526221977
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## Multiple conversion

Enter numbers in astronomical unit and click convert button.
One number per line.

Converted numbers in light-second:
Click to select all

## Details about astronomical unit and light-second units:

Convert Astronomical unit to other unit:

### astronomical unit

Definition of astronomical unit unit: ≡ 149597870700 m. ≈ Distance from Earth to Sun

Convert Light-second to other unit:

### light-second

Definition of light-second unit: ≡ Distance light travels in one second in vacuum .

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