???? ??? ?????? ??? ???????? ??????? ????? ??????? ???????? ????? ???????? ?????? ???????? ?????? ?????????? ???????? ?????????? ??????? ?? ???????????? ??????.
??????? ????(km?)： 1 ??????? ???? = 100 ????? = 247.1 ????
?????(ha)： 1 ????? = 10,000 ??? ???? = 15 ???? ?????
??? ????(m?)： ?????? ??????? ????????? 1 ??? ???? ≈ 10.764 ??? ????.
????(acre)： 1 ???? ≈ 0.4047 ????? ≈ 4047 ??? ????
??? ????(ft?)： 1 ??? ???? ≈ 0.093 ??? ????
??? ????(mile?)： 1 ??? ???? ≈ 2.59 ??????? ????
????： 1 ???? ≈ 666.67 ??? ????
???? ????： 1 ???? ???? = 100 ??? ???? ≈ 11.11 ??? ????
??????: ????? ??? ?????? ???? ??????? ??????? ??????? ?????? ??????? ? 6 ????? ?????? ????? ?? ???? ???????? ???? ?????????.