| 0mm | 0ly |
| 1mm | 1.057001 × 10⁻¹⁹ly |
| 2mm | 2.114002 × 10⁻¹⁹ly |
| 3mm | 3.171003 × 10⁻¹⁹ly |
| 4mm | 4.228003 × 10⁻¹⁹ly |
| 5mm | 5.285004 × 10⁻¹⁹ly |
| 6mm | 6.342005 × 10⁻¹⁹ly |
| 7mm | 7.399006 × 10⁻¹⁹ly |
| 8mm | 8.456007 × 10⁻¹⁹ly |
| 9mm | 9.513008 × 10⁻¹⁹ly |
| 10mm | 1.057001 × 10⁻¹⁸ly |
| 11mm | 1.162701 × 10⁻¹⁸ly |
| 12mm | 1.268401 × 10⁻¹⁸ly |
| 13mm | 1.374101 × 10⁻¹⁸ly |
| 14mm | 1.479801 × 10⁻¹⁸ly |
| 15mm | 1.585501 × 10⁻¹⁸ly |
| 16mm | 1.691201 × 10⁻¹⁸ly |
| 17mm | 1.796901 × 10⁻¹⁸ly |
| 18mm | 1.902602 × 10⁻¹⁸ly |
| 19mm | 2.008302 × 10⁻¹⁸ly |
| 20mm | 2.114002 × 10⁻¹⁸ly |
| 21mm | 2.219702 × 10⁻¹⁸ly |
| 22mm | 2.325402 × 10⁻¹⁸ly |
| 23mm | 2.431102 × 10⁻¹⁸ly |
| 24mm | 2.536802 × 10⁻¹⁸ly |
| 25mm | 2.642502 × 10⁻¹⁸ly |
| 26mm | 2.748202 × 10⁻¹⁸ly |
| 27mm | 2.853902 × 10⁻¹⁸ly |
| 28mm | 2.959602 × 10⁻¹⁸ly |
| 29mm | 3.065302 × 10⁻¹⁸ly |
| 30mm | 3.171003 × 10⁻¹⁸ly |
| 31mm | 3.276703 × 10⁻¹⁸ly |
| 32mm | 3.382403 × 10⁻¹⁸ly |
| 33mm | 3.488103 × 10⁻¹⁸ly |
| 34mm | 3.593803 × 10⁻¹⁸ly |
| 35mm | 3.699503 × 10⁻¹⁸ly |
| 36mm | 3.805203 × 10⁻¹⁸ly |
| 37mm | 3.910903 × 10⁻¹⁸ly |
| 38mm | 4.016603 × 10⁻¹⁸ly |
| 39mm | 4.122303 × 10⁻¹⁸ly |
| 40mm | 4.228003 × 10⁻¹⁸ly |
| 41mm | 4.333703 × 10⁻¹⁸ly |
| 42mm | 4.439404 × 10⁻¹⁸ly |
| 43mm | 4.545104 × 10⁻¹⁸ly |
| 44mm | 4.650804 × 10⁻¹⁸ly |
| 45mm | 4.756504 × 10⁻¹⁸ly |
| 46mm | 4.862204 × 10⁻¹⁸ly |
| 47mm | 4.967904 × 10⁻¹⁸ly |
| 48mm | 5.073604 × 10⁻¹⁸ly |
| 49mm | 5.179304 × 10⁻¹⁸ly |
| 50mm | 5.285004 × 10⁻¹⁸ly |
| 51mm | 5.390704 × 10⁻¹⁸ly |
| 52mm | 5.496404 × 10⁻¹⁸ly |
| 53mm | 5.602104 × 10⁻¹⁸ly |
| 54mm | 5.707805 × 10⁻¹⁸ly |
| 55mm | 5.813505 × 10⁻¹⁸ly |
| 56mm | 5.919205 × 10⁻¹⁸ly |
| 57mm | 6.024905 × 10⁻¹⁸ly |
| 58mm | 6.130605 × 10⁻¹⁸ly |
| 59mm | 6.236305 × 10⁻¹⁸ly |
| 60mm | 6.342005 × 10⁻¹⁸ly |
| 61mm | 6.447705 × 10⁻¹⁸ly |
| 62mm | 6.553405 × 10⁻¹⁸ly |
| 63mm | 6.659105 × 10⁻¹⁸ly |
| 64mm | 6.764805 × 10⁻¹⁸ly |
| 65mm | 6.870505 × 10⁻¹⁸ly |
| 66mm | 6.976206 × 10⁻¹⁸ly |
| 67mm | 7.081906 × 10⁻¹⁸ly |
| 68mm | 7.187606 × 10⁻¹⁸ly |
| 69mm | 7.293306 × 10⁻¹⁸ly |
| 70mm | 7.399006 × 10⁻¹⁸ly |
| 71mm | 7.504706 × 10⁻¹⁸ly |
| 72mm | 7.610406 × 10⁻¹⁸ly |
| 73mm | 7.716106 × 10⁻¹⁸ly |
| 74mm | 7.821806 × 10⁻¹⁸ly |
| 75mm | 7.927506 × 10⁻¹⁸ly |
| 76mm | 8.033206 × 10⁻¹⁸ly |
| 77mm | 8.138906 × 10⁻¹⁸ly |
| 78mm | 8.244607 × 10⁻¹⁸ly |
| 79mm | 8.350307 × 10⁻¹⁸ly |
| 80mm | 8.456007 × 10⁻¹⁸ly |
| 81mm | 8.561707 × 10⁻¹⁸ly |
| 82mm | 8.667407 × 10⁻¹⁸ly |
| 83mm | 8.773107 × 10⁻¹⁸ly |
| 84mm | 8.878807 × 10⁻¹⁸ly |
| 85mm | 8.984507 × 10⁻¹⁸ly |
| 86mm | 9.090207 × 10⁻¹⁸ly |
| 87mm | 9.195907 × 10⁻¹⁸ly |
| 88mm | 9.301607 × 10⁻¹⁸ly |
| 89mm | 9.407307 × 10⁻¹⁸ly |
| 90mm | 9.513008 × 10⁻¹⁸ly |
| 91mm | 9.618708 × 10⁻¹⁸ly |
| 92mm | 9.724408 × 10⁻¹⁸ly |
| 93mm | 9.830108 × 10⁻¹⁸ly |
| 94mm | 9.935808 × 10⁻¹⁸ly |
| 95mm | 1.004151 × 10⁻¹⁷ly |
| 96mm | 1.014721 × 10⁻¹⁷ly |
| 97mm | 1.025291 × 10⁻¹⁷ly |
| 98mm | 1.035861 × 10⁻¹⁷ly |
| 99mm | 1.046431 × 10⁻¹⁷ly |
The millimetre (American spelling millimeter) is a unit of length and is a multiple of the SI unit metre. It uses the symbol mm.
There are 1000 mm in 1 m and 10 mm in 1 cm. From this one can derive that there are 0.03937 in.
The millimetre is sometimes verbally abbreviated to 'mil' - which can cause confusion in the US as there is a unit there that means thousandth of an inch.
The light year is a unit of length in the Astronomical system of units. It uses the symbol ly.
Often confused with a unit of time as it contains the word "year", it is actually defined by the International Astronomical Union (IAU) as the amount of distance that light travels in a vacuum in one Julian year (365.25 days).
Using the speed of light (299,792,458 m/s or 'c') and the Julian year (as apposed to the Gregorian year which is 365.2425 days), we can equivalate 1 light year as 9,460,730,472,580,800 metres or ≈ 9.46 trillion kilometres.