To convert inches to light years, multiply the value by 2.68478 × 10⁻¹⁸. To go the other way, multiply light years by 3.7247 × 10¹⁷ to get inches.
| Inches (in) | Light Years (ly) |
|---|---|
| 1 in | 2.68478 × 10⁻¹⁸ ly |
| 5 in | 1.34239 × 10⁻¹⁷ ly |
| 10 in | 2.68478 × 10⁻¹⁷ ly |
| 25 in | 6.71196 × 10⁻¹⁷ ly |
| 50 in | 1.34239 × 10⁻¹⁶ ly |
| 100 in | 2.68478 × 10⁻¹⁶ ly |
| 250 in | 6.71196 × 10⁻¹⁶ ly |
| 500 in | 1.34239 × 10⁻¹⁵ ly |
| 1,000 in | 2.68478 × 10⁻¹⁵ ly |
| 2,500 in | 6.71196 × 10⁻¹⁵ ly |
| 5,000 in | 1.34239 × 10⁻¹⁴ ly |
| 10,000 in | 2.68478 × 10⁻¹⁴ ly |
| 100,000 in | 2.68478 × 10⁻¹³ ly |
| 1,000,000 in | 2.68478 × 10⁻¹² ly |
Inch (in). The inch is an imperial and US customary unit equal to exactly 25.4 millimeters, used for screen sizes, pipes and tyres.
Light year (ly). A light year is the distance light travels in one year, about 9.46 trillion kilometers.
There are 2.68478 × 10⁻¹⁸ light years in one inch.
Multiply the number of inches by 2.68478 × 10⁻¹⁸. For example, 10 inches equal 2.68478 × 10⁻¹⁷ light years.
One light year equals 3.7247 × 10¹⁷ inches.
2.68478 × 10⁻¹⁵ light years. Other common values: 100 inches = 2.68478 × 10⁻¹⁶ light years and 10,000 inches = 2.68478 × 10⁻¹⁴ light years.