Length
Distance, height, thickness and astronomical length.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert inch (in) to light-year (ly). Enter a value for an instant result, or use the examples and reverse conversion below.
Distance, height, thickness and astronomical length.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a inch value to calculate light-year with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| quectometrefrom in | qm | 2.54e28 |
| rontometrefrom in | rm | 2.54e25 |
| yoctometrefrom in | ym | 2.54e22 |
| zeptometrefrom in | zm | 2.54e19 |
| attometrefrom in | am | 2.54e16 |
| femtometrefrom in | fm | 25400000000000 |
| picometrefrom in | pm | 25400000000 |
| nanometrefrom in | nm | 25400000 |
| ångströmfrom in | Å | 254000000 |
| micrometrefrom in | µm | 25400 |
| millimetrefrom in | mm | 25.4 |
| centimetrefrom in | cm | 2.54 |
| decimetrefrom in | dm | 0.254 |
| metrefrom in | m | 0.0254 |
| decametrefrom in | dam | 0.00254 |
| hectometrefrom in | hm | 0.000254 |
| kilometrefrom in | km | 0.0000254 |
| megametrefrom in | Mm | 0.0000000254 |
| gigametrefrom in | Gm | 2.54e-11 |
| terametrefrom in | Tm | 2.54e-14 |
| petametrefrom in | Pm | 2.54e-17 |
| exametrefrom in | Em | 2.54e-20 |
| zettametrefrom in | Zm | 2.54e-23 |
| yottametrefrom in | Ym | 2.54e-26 |
| ronnametrefrom in | Rm | 2.54e-29 |
| quettametrefrom in | Qm | 2.54e-32 |
| thou / milfrom in | mil | 1000 |
| inchfrom in | in | 1 |
| footfrom in | ft | 0.0833333 |
| yardfrom in | yd | 0.0277778 |
| chainfrom in | ch | 0.00126263 |
| furlongfrom in | fur | 0.000126263 |
| international milefrom in | mi | 0.0000157828 |
| nautical milefrom in | nmi | 0.0000137149 |
| U.S. survey footfrom in | ftUS | 0.0833332 |
| typographic pointfrom in | pt | 72 |
| astronomical unitfrom in | au | 1.69789e-13 |
| light-secondfrom in | ls | 8.47253e-11 |
| light-yearfrom in | ly | 2.68478e-18 |
| parsecfrom in | pc | 8.23158e-19 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Inch (in) and light-year (ly) are units of length. Use this page to convert in either direction.
| Inch (in) | Light-year (ly) |
|---|---|
| 1 in | 2.68478e-18 ly |
| 5 in | 1.34239e-17 ly |
| 10 in | 2.68478e-17 ly |
| 100 in | 2.68478e-16 ly |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.