???????

???? ??????????????? ???????? ???

??? ???? (Kilometer)? ?????? ???? ?? ???? ????????? (??? ???) ?? ?? ????? ???


1 ??? ???? = 1000 ????

1 ???? = 100 ????? ????

1 ????? ???? = 10 ??? ????


??????? [ ????? ]

1 ???? = 3.2808 ??

1 ???? = 39.37 ???


1 ?? = 12 ???


1 ??? = 2.54? ????? ????

1 ??? = 25.4 ??? ????


?????? ???? ??? ??????? ??? ?????? [ ????? ]

1 ??????? ≡ ?,??? ????
? ?,??? ??
? ?,??? ????
? 0.621 ???
? 0.540 ?????? ???
? ?.68 × 10 −? ?????? ???s [?]
? ?.06 × 10 −?? ???? ???? [?]
? ?.24 × 10 −?? ?????


????? [ ????? ]

  1. ↑ One astronomical unit is currently accepted to be equal to ???,???,???,??? ± ??  ???? .
  2. ↑ A light-year is equal to ?.460 7 30 4 72 5 808 × 10 ??   ??????? the distance light travels through vacuum in one year (365.25 days).
??? ??? ?????? ???????
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" https://pnb.wikipedia.org/w/index.php?title=???????&oldid=653675 " ??? ???