How to convert feet to light years
1 foot is equal to 3.221738542 × 10⁻¹⁷ light years, and 1 light year is equal to 3.103914197 × 10¹⁶ feet. To convert, multiply by the conversion factor:
light years = feet × 3.221738542 × 10⁻¹⁷
light years = feet ÷ 3.103914197 × 10¹⁶Example: convert 1 ft to ly: 1 × 3.221738542 × 10⁻¹⁷ = 3.221738542 × 10⁻¹⁷ ly.
Foot to Light Year conversion table
| Foot (ft) | Light Year (ly) |
|---|---|
| 0.01 ft | 3.221738542 × 10⁻¹⁹ ly |
| 0.1 ft | 3.221738542 × 10⁻¹⁸ ly |
| 1 ft | 3.221738542 × 10⁻¹⁷ ly |
| 2 ft | 6.443477084 × 10⁻¹⁷ ly |
| 3 ft | 9.665215626 × 10⁻¹⁷ ly |
| 5 ft | 1.610869271 × 10⁻¹⁶ ly |
| 10 ft | 3.221738542 × 10⁻¹⁶ ly |
| 20 ft | 6.443477084 × 10⁻¹⁶ ly |
| 50 ft | 1.610869271 × 10⁻¹⁵ ly |
| 100 ft | 3.221738542 × 10⁻¹⁵ ly |
| 250 ft | 8.054346355 × 10⁻¹⁵ ly |
| 500 ft | 1.610869271 × 10⁻¹⁴ ly |
| 1,000 ft | 3.221738542 × 10⁻¹⁴ ly |
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 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