Miles to Light-years (mi to ly) Converter
1 Mile equals 1.70108 × 10⁻¹³ Light-years (1 mi = 1.70108 × 10⁻¹³ ly). Convert Miles to Light-years with formula, table, and examples.
One mile equals approximately 1.701 x 10-13 light-years. A light-year contains about 5.879 trillion miles. This is the conversion Americans use most when trying to comprehend interstellar distances.
How to Convert Miles to Light-years
- Take your value in Miles
- Multiply by 1.70108 × 10⁻¹³
- Read the result in Light-years
Common Miles to Light-years Conversions
| Miles (mi) | Light-years (ly) | Status |
|---|---|---|
| 1 mi | 1.70108 × 10⁻¹³ ly | |
| 10 mi | 1.70108 × 10⁻¹² ly | |
| 100 mi | 1.70108 × 10⁻¹¹ ly | |
| 1,000 mi | 1.70108 × 10⁻¹⁰ ly | |
| 10,000 mi | 1.70108 × 10⁻⁹ ly | |
| 100,000 mi | 1.70108 × 10⁻⁸ ly | |
| 1,000,000 mi | 1.70108 × 10⁻⁷ ly | |
| 10,000,000 mi | 0.000002 ly | |
| 100,000,000 mi | 0.00002 ly | |
| 1,000,000,000 mi | 0.0002 ly | |
| 5,878,790,000,000 mi | 1 ly |
Good to Know About Miles to Light-years Conversion
Americans learn that the nearest star is '25 trillion miles away.' This number is so large that it prompted the invention of the light-year: a unit designed to make incomprehensible distances slightly less incomprehensible. The light-year exists because trillions of miles broke human intuition.
Miles to Light-years: What You Need to Know
The nearest star is about 24.9 trillion miles (4.24 light-years). Light travels 186,282 miles per second. The Sun is 93 million miles away. A light-year (5.88 trillion miles) is about 63,241 trips to the Sun.
What is a Mile? mi
An imperial unit of length equal to 5,280 feet or approximately 1.609 kilometers. The standard unit for road distances in the US and UK.
Learn more about Mile →What is a Light-year? ly
The distance light travels in one Julian year (365.25 days) in vacuum. Exactly 9,460,730,472,580,800 meters. Used for interstellar distances.
Learn more about Light-year →Going the other way? Use our Light-years to Miles converter.
Miles to Light-years FAQ
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One mile equals approximately 1.701 x 10-13 light-years.
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One light-year contains approximately 5.879 x 1012 miles (about 5.88 trillion).
Non-Frequently Asked Questions About Miles to Light-years
Questions nobody should ask - but someone did.
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Moon distance: 238,855 miles. Light-year: 5.879 trillion miles. That is about 24.6 million round trips to the Moon. If you drove to the Moon and back every day, it would take 33,800 years to cover 1 light-year. The Moon is close. Stars are not.
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About 670,616,629 mph. The speed limit on most US highways is 65 mph. Light is about 10.3 million times faster than highway traffic. Light does not get stuck in traffic. Light does not need to merge.
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Humanity has driven roughly 100 trillion miles total in the history of cars. One light-year is 5.88 trillion miles. So all human driving equals about 17 light-years - enough to reach several nearby stars including Barnard's Star. Collectively, humanity has driven to the stars. Just not in the same direction.
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Need the reverse? Use our Light-years to Miles converter. See all Length & Distance converters.