EVERYDAY
Length
Distance, height, thickness and astronomical length.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Resultau → lsConvert astronomical unit to light-second
EVERYDAY · ENGINEERING · SCIENCE
Unit conversion. Made clear.
Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.
520units ready to convert
HOW IT IS CALCULATED
Convert through metre
Enter a astronomical unit value to calculate light-second with full internal precision before display rounding.
Display precisionAuto · 12 significant digits
Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| quectometrefrom au | qm | Interactive |
| rontometrefrom au | rm | Interactive |
| yoctometrefrom au | ym | Interactive |
| zeptometrefrom au | zm | Interactive |
| attometrefrom au | am | Interactive |
| femtometrefrom au | fm | Interactive |
| picometrefrom au | pm | Interactive |
| nanometrefrom au | nm | Interactive |
| ångströmfrom au | Å | Interactive |
| micrometrefrom au | µm | Interactive |
| millimetrefrom au | mm | Interactive |
| centimetrefrom au | cm | Interactive |
| decimetrefrom au | dm | Interactive |
| metrefrom au | m | Interactive |
| decametrefrom au | dam | Interactive |
| hectometrefrom au | hm | Interactive |
| kilometrefrom au | km | Interactive |
| megametrefrom au | Mm | Interactive |
| gigametrefrom au | Gm | Interactive |
| terametrefrom au | Tm | Interactive |
| petametrefrom au | Pm | Interactive |
| exametrefrom au | Em | Interactive |
| zettametrefrom au | Zm | Interactive |
| yottametrefrom au | Ym | Interactive |
| ronnametrefrom au | Rm | Interactive |
| quettametrefrom au | Qm | Interactive |
| thou / milfrom au | mil | Interactive |
| inchfrom au | in | Interactive |
| footfrom au | ft | Interactive |
| yardfrom au | yd | Interactive |
| chainfrom au | ch | Interactive |
| furlongfrom au | fur | Interactive |
| international milefrom au | mi | Interactive |
| nautical milefrom au | nmi | Interactive |
| U.S. survey footfrom au | ftUS | Interactive |
| typographic pointfrom au | pt | Interactive |
| astronomical unitfrom au | au | Interactive |
| light-secondfrom au | ls | Interactive |
| light-yearfrom au | ly | Interactive |
| parsecfrom au | pc | Interactive |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.