Convert Mile to Light Year
Use this free converter to change miles (mi) into light years (ly). Mile and light year both measure length. As a quick reference, 1 mi equals 1.7011e-13 ly, and 1 ly equals 5.8786e+12 mi.
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Light Year (ly)
1.7011e-13
1 mi = 1.7011e-13 ly
Length conversion table
| Mile | Light Year |
|---|---|
| 0.01 | 1.7011e-15 |
| 0.1 | 1.7011e-14 |
| 0.5 | 8.5054e-14 |
| 1 | 1.7011e-13 |
| 2 | 3.4022e-13 |
| 3 | 5.1033e-13 |
| 5 | 8.5054e-13 |
| 10 | 1.7011e-12 |
| 20 | 3.4022e-12 |
| 25 | 4.2527e-12 |
| 50 | 8.5054e-12 |
| 100 | 1.7011e-11 |
| 1,000 | 1.7011e-10 |
How to convert Mile to Light Year
Multiply the mile value by 1.7011e-13 to get light years.
- Enter the number of miles you want to convert.
- The converter instantly shows the equivalent value in light years.
- Worked example: 15 mi × 1.7011e-13 = 2.5516e-12 ly.
- Use the swap button to reverse the conversion (light year to mile).
About these units
Mile (mi)
- Definition
- A mile (mi) is an imperial unit of length equal to exactly 1,609.344 meters, or 5,280 feet.
- History
- It descends from the Roman "mille passus" (a thousand paces) and was standardised in England in 1593 as the statute mile.
- Current use
- Miles remain the everyday unit for road distance and speed in the United States and United Kingdom.
Light Year (ly)
- Definition
- A light-year (ly) is the distance light travels in one year in a vacuum, about 9.46 trillion kilometers.
- History
- The concept arose in the 19th century as astronomers sought an intuitive way to express the vast distances between stars.
- Current use
- Light-years express distances to stars and galaxies in astronomy and popular science.
Frequently asked questions
How many light years are in a mile?
There are 1.7011e-13 ly in 1 mi. To convert, multiply the number of miles by 1.7011e-13.
How do I convert miles to light years?
Multiply the mile value by 1.7011e-13 to get light years. For example, 10 mi = 1.7011e-12 ly.
Is this mile-to-light year converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Mile to other length units
| Unit | 1 Mile equals |
|---|---|
| Meter (m) | 1609.344 m |
| Kilometer (km) | 1.609344 km |
| Centimeter (cm) | 160934.4 cm |
| Millimeter (mm) | 1609344 mm |
| Micrometer (µm) | 1609344000 µm |
| Nanometer (nm) | 1.6093e+12 nm |
| Yard (yd) | 1760 yd |
| Foot (ft) | 5280 ft |
| Inch (in) | 63360 in |
| Nautical Mile (nmi) | 0.86897624 nmi |
| Light Year (ly) | 1.7011e-13 ly |