Light-hours to astronomical units
Type a value in lh to get it in AU instantly.
7.214AU
That's 4.8× as far as Mars (average), while Neptune is 4.2× farther.
What it means
How far is that?
Light in vacuum: 299,792.458 km/s, exact by definition. Planet distances change with orbits; references are typical.
The math
How to convert lh to AU
To convert light-hours to astronomical units, multiply by 7.21436.
Example: 1 lh × 7.21436 = 7.21436 AU.
In the other direction, 1 AU = 0.138612 lh.
Every unit
That distance in every unit
Tables
lh to AU conversion table
| lh | AU |
|---|---|
| 0.1 lh | 0.721436 AU |
| 0.5 lh | 3.60718 AU |
| 1 lh | 7.21436 AU |
| 2 lh | 14.4287 AU |
| 3 lh | 21.6431 AU |
| 5 lh | 36.0718 AU |
| 8.3 lh | 59.8792 AU |
| 10 lh | 72.1436 AU |
| 12.5 lh | 90.1795 AU |
| 20 lh | 144.287 AU |
| 30 lh | 216.431 AU |
| 43 lh | 310.217 AU |
| 60 lh | 432.862 AU |
| 250 lh | 1,803.59 AU |
AU to lh conversion table
| AU | lh |
|---|---|
| 0.1 AU | 0.0138612 lh |
| 0.5 AU | 0.0693062 lh |
| 1 AU | 0.138612 lh |
| 2 AU | 0.277225 lh |
| 3 AU | 0.415837 lh |
| 5 AU | 0.693062 lh |
| 8.3 AU | 1.15048 lh |
| 10 AU | 1.38612 lh |
| 12.5 AU | 1.73266 lh |
| 20 AU | 2.77225 lh |
| 30 AU | 4.15837 lh |
| 43 AU | 5.96033 lh |
| 60 AU | 8.31675 lh |
| 250 AU | 34.6531 lh |
Quick answers
Quick answers
- How many AU is 1 lh?
- 1 lh is 7.21436 AU.
- How many AU is 10 lh?
- 10 lh is 72.1436 AU.
The units
About these units
Light-hours (lh)
Distance light travels in one hour.
Astronomical units (AU)
Mean Earth–Sun distance.
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