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dĺžka

Tabulka premien jednotiek dĺžky
= fm
femtometer
pm
pikometer
Å
Ångström
nm
nanometer
μm
mikrometer
mm
milimeter
cm
centimeter
in
palec
dm
decimeter
ft
stopa
yd
yard
m
meter
km
kilometer
mi
míľa
n.m.
námorná míľa
lea
league
AU
astronomická jednotka
ly
svetelný rok
pc
parsek
1 fm 1 0.001 0.00001 0.000001 0.000000001 0.000000000001 0.0000000000001 0.0000000000000394 0.00000000000001 0.00000000000000328 0.00000000000000109 0.000000000000001 0.000000000000000001 0.000000000000000000621 0.000000000000000000540 0.000000000000000000207 0.00000000000000000000000000668 0.000000000000000000000000000000106 0.0000000000000000000000000000000324
1 pm 1000 1 0.01 0.001 0.000001 0.000000001 0.0000000001 0.0000000000394 0.00000000001 0.00000000000328 0.00000000000109 0.000000000001 0.000000000000001 0.000000000000000621 0.000000000000000540 0.000000000000000207 0.00000000000000000000000668 0.000000000000000000000000000106 0.0000000000000000000000000000324
1 Å 100000 100 1 0.1 0.0001 0.0000001 0.00000001 0.00000000394 0.000000001 0.000000000328 0.000000000109 0.0000000001 0.0000000000001 0.0000000000000621 0.0000000000000540 0.0000000000000207 0.000000000000000000000668 0.0000000000000000000000000106 0.00000000000000000000000000324
1 nm 1000000 1000 10 1 0.001 0.000001 0.0000001 0.0000000394 0.00000001 0.00000000328 0.00000000109 0.000000001 0.000000000001 0.000000000000621 0.000000000000540 0.000000000000207 0.00000000000000000000668 0.000000000000000000000000106 0.0000000000000000000000000324
1 μm 1000000000 1000000 10000 1000 1 0.001 0.0001 0.0000394 0.00001 0.00000328 0.00000109 0.000001 0.000000001 0.000000000621 0.000000000540 0.000000000207 0.00000000000000000668 0.000000000000000000000106 0.0000000000000000000000324
1 mm 1000000000000 1000000000 10000000 1000000 1000 1 0.1 0.0394 0.01 0.00328 0.00109 0.001 0.000001 0.000000621 0.000000540 0.000000207 0.00000000000000668 0.000000000000000000106 0.0000000000000000000324
1 cm 10000000000000 10000000000 100000000 10000000 10000 10 1 0.394 0.1 0.0328 0.0109 0.01 0.00001 0.00000621 0.00000540 0.00000207 0.0000000000000668 0.00000000000000000106 0.000000000000000000324
1 in 25400000000000 25400000000 254000000 25400000 25400 25.4 2.54 1 0.254 0.0833 0.0278 0.0254 0.0000254 0.0000158 0.0000137 0.00000526 0.000000000000170 0.00000000000000000268 0.000000000000000000823
1 dm 100000000000000 100000000000 1000000000 100000000 100000 100 10 3.937 1 0.328 0.109 0.1 0.0001 0.0000621 0.0000540 0.0000207 0.000000000000668 0.0000000000000000106 0.00000000000000000324
1 ft 304800000000000 304800000000 3048000000 304800000 304800 304.8 30.48 12 3.048 1 0.333 0.305 0.000305 0.000189 0.000165 0.0000631 0.00000000000204 0.0000000000000000322 0.00000000000000000988
1 yd 914400000000000 914400000000 9144000000 914400000 914400 914.4 91.44 36 9.144 3 1 0.914 0.000914 0.000568 0.000494 0.000189 0.00000000000611 0.0000000000000000967 0.0000000000000000296
1 m 1000000000000000 1000000000000 10000000000 1000000000 1000000 1000 100 39.370 10 3.281 1.0936 1 0.001 0.000621 0.000540 0.000207 0.00000000000668 0.000000000000000106 0.0000000000000000324
1 km 1000000000000000000 1000000000000000 10000000000000 1000000000000 1000000000 1000000 100000 39370.0787 10000 3280.840 1093.613 1000 1 0.621 0.540 0.207 0.00000000668 0.000000000000106 0.0000000000000324
1 mi 1609344000000000000 1609344000000000 16093440000000 1609344000000 1609344000 1609344 160934.4 63360 16093.44 5280 1760 1609.344 1.609 1 0.869 0.333 0.0000000108 0.000000000000170 0.0000000000000522
1 n.m. 1852000000000000000 1852000000000000 18520000000000 1852000000000 1852000000 1852000 185200 72913.386 18520 6076.115 2025.372 1852 1.852 1.151 1 0.384 0.0000000124 0.000000000000196 0.0000000000000600
1 lea 4828032000000000000 4828032000000000 48280320000000 4828032000000 4828032000 4828032 482803.2 190080 48280.32 15840 5280 4828.032 4.828 3 2.607 1 0.0000000323 0.000000000000510 0.000000000000156
1 AU 149597870700000000000000000 149597870700000000000000 1495978707000000000000 149597870700000000000 149597870700000000 149597870700000 14959787070000 5889679948818.898 1495978707000 490806662401.575 163602220800.525 149597870700 149597870.7 92955807.273 80776388.0670 30985269.0910 1 0.0000158 0.00000485
1 ly 9460700000000000000000000000000 9460700000000000000000000000 94607000000000000000000000 9460700000000000000000000 9460700000000000000000 9460700000000000000 946070000000000000 372468503937007874.0157 94607000000000000 31039041994750656.168 10346347331583552.0560 9460700000000000 9460700000000 5878606438399.745 5108369330453.564 1959535479466.582 63240.873 1 0.307
1 pc 30857000000000000000000000000000 30857000000000000000000000000 308570000000000000000000000 30857000000000000000000000 30857000000000000000000 30857000000000000000 3085700000000000000 1214842519685039370.0787 308570000000000000 101236876640419947.507 33745625546806649.169 30857000000000000 30857000000000 19173650878867.414 16661447084233.261 6391216959622.471 206266.305 3.262 1
zadejte hodnotu a jednotky premeny
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Fyzikálna veličina dĺžka má značku l.

Základnou jednotkou dĺžky je meter (m), ten je definovaný ako dĺžka dráhy, ktorú prejde svetlo vo vákuu za 1/299792458 sekundy.

Čiastkovými jednotkami dĺžky sú nanometer (nm, 1mm=0,000 000 001m), mikrometer (μm, 1μm=0,000 001m), milimeter (mm, 1mm=0,001m) a centimeter (cm, 1cm=0,01m). Z násobných jednotiek sa používa kilometer (km, 1km=1000m). Anglického pôvodu sú inch (in, palec, čítajte inč), foot (ft, stopa, čítajte fút), yard (yd, čítajte jard).

Na meranie dĺžky používame dĺžkové meradlá, pravítko, skladací meter, posuvné meradlo, mikrometrickú skrutku a laserové diaľkomery.