Convert feet to astronomical units
1 ft = 0.00000000000203746215487 au — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
2.03746215487e-12au
As a fraction: 127/62332446125000
1 ft = 0.00000000000203746215487 au
How to convert feet to astronomical units
Multiply the number of feet by 0.00000000000203746215487 to get astronomical units.
Foot: Exactly 0.3048 m, i.e. 12 international inches.
Astronomical unit: Fixed at exactly 149 597 870 700 m by the IAU in 2012.
Foot to Astronomical unit conversion table
| Feet (ft) | Astronomical units (au) |
|---|---|
| 1 ft | 2.0374622e-12 |
| 2 ft | 4.0749243e-12 |
| 3 ft | 6.1123865e-12 |
| 5 ft | 1.0187311e-11 |
| 10 ft | 2.0374622e-11 |
| 20 ft | 4.0749243e-11 |
| 25 ft | 5.0936554e-11 |
| 50 ft | 1.0187311e-10 |
| 100 ft | 2.0374622e-10 |
| 250 ft | 5.0936554e-10 |
| 500 ft | 1.0187311e-9 |
| 1000 ft | 2.0374622e-9 |
Astronomical unit to Foot conversion table
| Astronomical units (au) | Feet (ft) |
|---|---|
| 1 au | 490 806 660 000 |
| 2 au | 981 613 320 000 |
| 3 au | 1 472 420 000 000 |
| 5 au | 2 454 033 300 000 |
| 10 au | 4 908 066 600 000 |
| 20 au | 9 816 133 200 000 |
| 25 au | 12 270 167 000 000 |
| 50 au | 24 540 333 000 000 |
| 100 au | 49 080 666 000 000 |
| 250 au | 122 701 670 000 000 |
| 500 au | 245 403 330 000 000 |
| 1000 au | 490 806 660 000 000 |
Frequently asked
How many astronomical units are in a foot?
One foot equals 2.037462155e-12 astronomical units (ft → au). That figure is exact, not rounded.
How do you convert feet to astronomical units?
Multiply the number of feet by 0.00000000000203746215487 to get astronomical units.
What is 1 au in feet?
One astronomical unit is 490806662400 feet.
What is 10 ft in au?
10 ft = 2.0374622e-11 au.
What exactly is a foot?
Exactly 0.3048 m, i.e. 12 international inches.
What exactly is a astronomical unit?
Fixed at exactly 149 597 870 700 m by the IAU in 2012.