820.21 Feet to Astronomical Units
Convert 820.21 feet (ft) to astronomical units (AU) with formulas, examples, and conversion tables.
ft
AU
820.21 ft = 1.6711e-9 AU
Full precision:1.6711e-9 AU
Step-by-Step Solution
To convert 820.21 feet to astronomical units, we divide by 4.9081e+11 because one astronomical unit equals exactly 4.9081e+11 feet.
1 astronomical unit = 4.9081e+11 feet
Since there are 4.9081e+11 feet in every astronomical unit, we divide our value by this factor:
820.21 ÷ 4.9081e+11 = 1.6711e-9 astronomical units
So 820.21 feet = 1.6711e-9 astronomical units.
Quick check: 1.6711e-9 × 4.9081e+11 = 820.21 feet
Feet to Astronomical Units Conversion Table
| Feet | Astronomical Units |
|---|---|
| 1 ft | 2.0374e-12 AU |
| 2 ft | 4.0749e-12 AU |
| 3 ft | 6.1123e-12 AU |
| 4 ft | 8.1497e-12 AU |
| 5 ft | 1.0187e-11 AU |
| 10 ft | 2.0374e-11 AU |
| 20 ft | 4.0749e-11 AU |
| 50 ft | 1.0187e-10 AU |
| 100 ft | 2.0374e-10 AU |
| 820 ft | 1.6707e-9 AU |
| 820.21 ft | 1.6711e-9 AU |
| 821 ft | 1.6727e-9 AU |
820.21 Feet in Other Units
| Unit | 820.21 ft = |
|---|---|
| Feet to Kilometers | 0.25 km |
| Feet to Meters | 250 m |
| Feet to Centimeters | 25000 cm |
| Feet to Millimeters | 250000.01 mm |
| Feet to Micrometers | 250000008 μm |
| Feet to Nanometers | 2.5e+11 nm |
| Feet to Miles | 0.15534 mi |
| Feet to Yards | 273.403 yd |
| Feet to Inches | 9842.52 in |
| Feet to Nautical Miles | 0.13499 nmi |
| Feet to Fathoms | 136.702 ftm |
| Feet to Light Years | 2.6424e-14 ly |
| Feet to Astronomical Units | 1.6711e-9 AU |
| Feet to Parsecs | 8.1011e-15 pc |
| Feet to Angstroms | 2.5e+12 Å |
| Feet to Planck Lengths | 1.5468e+37 ℓP |
| Feet to Rods | 49.7097 rd |