How to convert feet to astronomical units
1 foot is equal to 2.037462155 × 10⁻¹² astronomical units, and 1 astronomical unit is equal to 490,806,662,400 feet. To convert, multiply by the conversion factor:
astronomical units = feet × 2.037462155 × 10⁻¹²
astronomical units = feet ÷ 490,806,662,400Example: convert 1 ft to au: 1 × 2.037462155 × 10⁻¹² = 2.037462155 × 10⁻¹² au.
Foot to Astronomical Unit conversion table
| Foot (ft) | Astronomical Unit (au) |
|---|---|
| 0.01 ft | 2.037462155 × 10⁻¹⁴ au |
| 0.1 ft | 2.037462155 × 10⁻¹³ au |
| 1 ft | 2.037462155 × 10⁻¹² au |
| 2 ft | 4.07492431 × 10⁻¹² au |
| 3 ft | 6.112386465 × 10⁻¹² au |
| 5 ft | 1.018731077 × 10⁻¹¹ au |
| 10 ft | 2.037462155 × 10⁻¹¹ au |
| 20 ft | 4.07492431 × 10⁻¹¹ au |
| 50 ft | 1.018731077 × 10⁻¹⁰ au |
| 100 ft | 2.037462155 × 10⁻¹⁰ au |
| 250 ft | 5.093655387 × 10⁻¹⁰ au |
| 500 ft | 1.018731077 × 10⁻⁹ au |
| 1,000 ft | 2.037462155 × 10⁻⁹ au |
About the foot
The international foot is exactly 0.3048 m, or 12 inches. It's used in the US and UK for height, building dimensions and aircraft altitude.
Symbol: ft · 1 ft = 0.3048 m · Category: Imperial & US customary
About the astronomical unit
The astronomical unit is exactly 149,597,870,700 m, roughly the average distance from Earth to the Sun. It's used for distances within the solar system.
Symbol: au · 1 au = 149,597,870,700 m · Category: Astronomical