How to convert light years to feet (US survey)
1 light year is equal to 3.103907989 × 10¹⁶ feet (US survey), and 1 foot (us survey) is equal to 3.221744986 × 10⁻¹⁷ light years. To convert, multiply by the conversion factor:
feet (US survey) = light years × 3.103907989 × 10¹⁶
feet (US survey) = light years ÷ 3.221744986 × 10⁻¹⁷Example: convert 1 ly to ft (US): 1 × 3.103907989 × 10¹⁶ = 3.103907989 × 10¹⁶ ft (US).
Light Year to Foot (US Survey) conversion table
| Light Year (ly) | Foot (US Survey) (ft (US)) |
|---|---|
| 0.01 ly | 310,390,798,900,000 ft (US) |
| 0.1 ly | 3.103907989 × 10¹⁵ ft (US) |
| 1 ly | 3.103907989 × 10¹⁶ ft (US) |
| 2 ly | 6.207815978 × 10¹⁶ ft (US) |
| 3 ly | 9.311723968 × 10¹⁶ ft (US) |
| 5 ly | 1.551953995 × 10¹⁷ ft (US) |
| 10 ly | 3.103907989 × 10¹⁷ ft (US) |
| 20 ly | 6.207815978 × 10¹⁷ ft (US) |
| 50 ly | 1.551953995 × 10¹⁸ ft (US) |
| 100 ly | 3.103907989 × 10¹⁸ ft (US) |
| 250 ly | 7.759769973 × 10¹⁸ ft (US) |
| 500 ly | 1.551953995 × 10¹⁹ ft (US) |
| 1,000 ly | 3.103907989 × 10¹⁹ ft (US) |
About the light year
A light-year is the distance light travels in a vacuum in one Julian year (365.25 days): about 9.46 trillion km. The nearest star system, Alpha Centauri, is about 4.37 light-years away.
Symbol: ly · 1 ly = 9.460730473 × 10¹⁵ m · Category: Astronomical
About the foot (us survey)
The US survey foot is exactly 1200/3937 m (about 0.3048006 m), two parts per million longer than the international foot. It was officially retired at the end of 2022 but remains in older land records and state plane coordinates.
Symbol: ft (US) · 1 ft (US) = 0.3048006096 m · Category: US survey units