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Light Seconds

The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in one second, and is equal to exactly 299792458 meters (just over 186282 miles).

Just as the second forms the basis for other units of time, the light-second can form the basis for other units of length, ranging from the light-nanosecond (just under one international foot) to the light-minute, light-hour and light-day, which are sometimes used in popular science publications. The more commonly used light-year is also presently defined to be equal to precisely 31557600 light-seconds, since the definition of a year is based on a Julian year (not Gregorian year) of exactly 365.25 days, each of exactly 86400 SI seconds.

Light Seconds
Symbol/abbreviation: ls
Unit of: LENGTH
LENGTH's base unit: meters (SI Unit)
In relation to the base unit (meters), 1 Light Seconds = 299800000 meters.
[Conversion table] 1 Light Seconds (ls) to all length units
1 ls= 165244094488 agate [typography] (agate)
1 ls= 504902505.65 alens (aln)
1 ls= 2.998E+18 angstroms (Å)
1 ls= 0.00200403921926 astronomical unit (au)
1 ls= 2.998E+26 attometers (am)
1 ls= 2538311.74329 barleycorns (bcorn)
1 ls= 2.998E+20 bicrons (μμ)
1 ls= 5.66540117957E+18 bohr radius (Bohr)
1 ls= 1617756.25086 cable length uk (cbl[UK])
1 ls= 1366105.27851 cable length us (cbl[US])
1 ls= 1.18031496063E+12 calibers (cal)
1 ls= 1.18031496063E+12 centiinch (cin)
1 ls= 29980000000 centimeters (cm)
1 ls= 14902966.6746 chains (ch)
1 ls= 655730533.683 cubits (cbt)
1 ls= 29980000 decameters (dam)
1 ls= 2998000000 decimeters (dm)
1 ls= 797399335529 didot points (didot point)
1 ls= 15737532808.4 digits (digit)
1 ls= 262292213.473 ells (eel)
1 ls= 71084469214.8 ems (EM)
1 ls= 2.998E-10 exameters (Em)
1 ls= 163932633.421 fathoms (fath)
1 ls= 983595800.525 feet (ft)
1 ls= 2.998E+23 femtometers (fm)
1 ls= 2.998E+23 fermi (fermi)
1 ls= 2622922134.73 finger cloth (finer)
1 ls= 13489313835.8 fingerbreadth (fb)
1 ls= 954473097.74 fods (fod)
1 ls= 1490296.66746 furlongs (fur)
1 ls= 0.2998 gigameters (Gm)
1 ls= 9733766.23377 greek plethron (pleth)
1 ls= 1620540.54054 greek stadion (std)
1 ls= 2950787401.57 hands (h)
1 ls= 2998000 hectometers (hm)
1 ls= 2.998E+13 himetrics (hiMetric)
1 ls= 158082021.938 hvats (hvat)
1 ls= 11803149606.3 inches (in)
1 ls= 299800 kilometers (km)
1 ls= 9.71484121841E-12 kiloparsecs (kpc)
1 ls= 1.15752895753E-5 light days (ld)
1 ls= 0.000277849860982 light hours (lh)
1 ls= 0.0166648137854 light minutes (lmin)
1 ls= 3.85793334191E-7 light months (lm)
1 ls= 1 light seconds (ls)
1 ls= 3.16879822429E-8 light years (ly)
1 ls= 142761904762 lines (l)
1 ls= 1490293686.87 links (li)
1 ls= 299.8 megameters (Mm)
1 ls= 299800000 meters (m)
1 ls= 1.18031496063E+16 microinches (μin)
1 ls= 2.998E+14 micrometers (μm)
1 ls= 2.998E+20 micromicrons (μμm)
1 ls= 186287.083433 miles (mi)
1 ls= 299800000000 millimeters (mm)
1 ls= 1.18031496063E+13 mils (mil)
1 ls= 29980 myriameters (Mym)
1 ls= 5245844269.47 nails cloth (nail)
1 ls= 2.998E+17 nanometers (nm)
1 ls= 53959.6832253 nautical leagues (Nl)
1 ls= 161879.049676 nautical miles (NM)
1 ls= 393438320.21 paces (pace)
1 ls= 3934383202.1 palms (palm)
1 ls= 9.71585630975E-9 parsecs (pc)
1 ls= 59611866.6985 perch (perch)
1 ls= 2.998E-7 petameters (Pm)
1 ls= 70818897693.6 picas (p)
1 ls= 2.998E+20 picometers (pm)
1 ls= 1.13310250496E+12 pixels (PX)
1 ls= 1.87375E+43 planck length (pl)
1 ls= 849826236330 points (pt)
1 ls= 59611866.6985 poles (pole)
1 ls= 6744656917.89 rack unit (ru)
1 ls= 70818906559.9 rems (rem)
1 ls= 59611866.6985 rods (rd)
1 ls= 8445070.42254 roman actus (actus)
1 ls= 49179790.0262 ropes (rope)
1 ls= 29980 scandinavian miles (mil[Scandinavian])
1 ls= 1311461067.37 spans (span)
1 ls= 0.0002998 terameters (Tm)
1 ls= 1.18031496063E+13 thou (th)
1 ls= 1.6996428369E+13 twips (twip)
1 ls= 346189376.443 varas [Argentina] (vr[Argentina])
1 ls= 357670483.314 varas [California] (vr[California])
1 ls= 346990740.741 varas [Latin America] (vr[Latin])
1 ls= 357748025.107 varas [Mexico] (vr[Mexico])
1 ls= 358655341.548 varas [Spanish] (vr[Spanish])
1 ls= 354093094.122 varas [Texas] (vr[Texas])
1 ls= 281027.371579 versts (vst)
1 ls= 2.99200402394E+21 x unit (xu)
1 ls= 327865266.842 yards (yd)
1 ls= 2.998E+32 yoctometers (ym)
1 ls= 2.998E-16 yottameters (Ym)
1 ls= 2.998E+29 zeptometers (zm)
1 ls= 2.998E-13 zettameters (Zm)
1 ls= 11803149606.3 zolls (zoll)
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