AU to Light Seconds

Convert au (AU) to light seconds (ls) with formulas, examples, and conversion tables.

AU
ls
1 AU = 499.005 ls
Full precision:499.005 ls
Step-by-Step Solution

To convert 1 au to light seconds, we multiply by 499.005 because one astronomical unit equals exactly 499.005 light seconds.

1 astronomical unit = 499.005 light seconds

Since each astronomical unit contains 499.005 light seconds, we multiply our value by this factor:

1 × 499.005 = 499.005 light seconds

So 1 au = 499.005 light seconds.

✓Quick check: 499.005 ÷ 499.005 = 1 au
↔ Light Seconds to AU

How to Convert AU to Light Seconds

To convert au to light seconds, multiply the value by 499.005.

The Formula

Light Seconds = AU × 499.005

Key Fact

1 astronomical unit = 499.005 light seconds

Tip: To convert light seconds back to au, divide by 499.005.

Example Conversions

Example 1: 1 AU = 499.005 ls
1 × 499.005 = 499.005
Example 2: 5 AU = 2495.02 ls
5 × 499.005 = 2495.02
Example 3: 10 AU = 4990.05 ls
10 × 499.005 = 4990.05

AU to Light Seconds Table

AULight Seconds
1 AU499.005 ls
2 AU998.01 ls
5 AU2495.02 ls
10 AU4990.05 ls
20 AU9980.1 ls
25 AU12475.12 ls
50 AU24950.24 ls
100 AU49900.48 ls
250 AU124751.2 ls
500 AU249502.39 ls
1000 AU499004.78 ls

1 Astronomical Unit in Other Units

Unit1 AU =
AU to Meters1.496e+11 m
Astronomical Units to Kilometers149597870.7 km
AU to Light Years0.00001581 ly
AU to Parsecs0.00000485 pc
AU to Kiloparsecs4.8481e-9 kpc
AU to Megaparsecs4.8481e-12 Mpc
AU to Light Seconds499.005 ls
AU to Light Minutes8.3167 lm
AU to Miles92955807.27 mi

Related Conversions

Light Years to KilometersKilometers to Light YearsLight Years to ParsecsParsecs to Light YearsAstronomical Units to KilometersKilometers to Astronomical UnitsLight Years to AUAU to Light Years