单位换算

单位换算长度123456789101112131415161718192021222324252627282930313233343536373839404142434445# ★ -----------------1 km = 1000 m1 m = 100 cm1 cm = 10 mm1 mm = 1000 um1 inch = 2.54 cm1/10 inch = 2.54 mm# --------------------1 km = 1000 m1 m = 10 dm1 dm = 10 cm1 cm = 10 mm1 m = 1000 mm1 mm = 1000 um1 um = 1000 nm1 nm = 1000 pm 1 pm = 1000 fm1 fm = 1000 am...1 inch = 2.54 cm1 cm = 0.3937008 inch...# 1 海里(nautical mile) = 1852 m = 1.852 km1 km = 0.5...