Feet to Light-years Converter

1 foot (ft) equals 3.2217385 × 10-17 light-years (ly).

Quick answer

  • 1 foot = 3.2217385 × 10-17 light-years
  • 1 light-year = 3.1039142 × 1016 feet
  • Formula: ly = ft ÷ 3.1039142 × 1016

1 foot = 3.2217385 × 10-17 light-years

How to convert feet to light-years

ly = ft ÷ 3.1039142 × 1016

To convert feet to light-years, divide the number of feet by 3.1039142 × 1016.

Example: 18 ft to ly

  1. Start with the value in feet: 18 ft.
  2. Divide by 3.1039142 × 1016: 18 ÷ 3.1039142 × 1016 = 5.7991294 × 10-16.
  3. Result: 18 feet = 5.7991294 × 10-16 light-years.

Going the other way, 1 light-year = 3.1039142 × 1016 feet, so to convert light-years back to feet you multiply by the same number. See light-years to feet.

Feet to light-years conversion table

Feet (ft)Light-years (ly)
0.25 ft 8.0543464 × 10-18 ly
0.5 ft 1.6108693 × 10-17 ly
0.75 ft 2.4163039 × 10-17 ly
1 ft 3.2217385 × 10-17 ly
1.5 ft 4.8326078 × 10-17 ly
2 ft 6.4434771 × 10-17 ly
2.5 ft 8.0543464 × 10-17 ly
3 ft 9.6652156 × 10-17 ly
4 ft 1.2886954 × 10-16 ly
5 ft 1.6108693 × 10-16 ly
6 ft 1.9330431 × 10-16 ly
7 ft 2.255217 × 10-16 ly
8 ft 2.5773908 × 10-16 ly
9 ft 2.8995647 × 10-16 ly
10 ft 3.2217385 × 10-16 ly
11 ft 3.5439124 × 10-16 ly
12 ft 3.8660863 × 10-16 ly
13 ft 4.1882601 × 10-16 ly
14 ft 4.510434 × 10-16 ly
15 ft 4.8326078 × 10-16 ly
16 ft 5.1547817 × 10-16 ly
17 ft 5.4769555 × 10-16 ly
18 ft 5.7991294 × 10-16 ly
19 ft 6.1213032 × 10-16 ly
20 ft 6.4434771 × 10-16 ly
21 ft 6.7656509 × 10-16 ly
22 ft 7.0878248 × 10-16 ly
23 ft 7.4099986 × 10-16 ly
24 ft 7.7321725 × 10-16 ly
25 ft 8.0543464 × 10-16 ly
26 ft 8.3765202 × 10-16 ly
27 ft 8.6986941 × 10-16 ly
28 ft 9.0208679 × 10-16 ly
29 ft 9.3430418 × 10-16 ly
30 ft 9.6652156 × 10-16 ly
31 ft 9.9873895 × 10-16 ly
32 ft 1.0309563 × 10-15 ly
33 ft 1.0631737 × 10-15 ly
34 ft 1.0953911 × 10-15 ly
35 ft 1.1276085 × 10-15 ly

More ft to ly values

What is a foot?

The foot is a unit of length in the imperial and US customary systems equal to 12 inches, or exactly 30.48 centimeters.

More about feet →

What is a light-year?

A light-year is the distance light travels in one year, about 9.46 trillion kilometers or 5.88 trillion miles.

More about light-years →

Frequently asked questions

How many light-years are in a foot?

One foot is 3.2217385e-17 light-years.

How many feet are in a light-year?

One light-year is 3.1039142e16 feet.

What is the formula to convert feet to light-years?

ly = ft ÷ 3.1039142 × 10^16.