kilo-
hecto-
deca-
meters
deci-
centi-
milli-
grams
Length
Time
1m = 39.37in. = 3.281ft.
1s = 1000ms.
1in = 2.54cm.
1min. = 60s
1km = 0.621mi.
1hr. = 3600s
1mi = 5280ft. = 1.609km.
1 year = 365.242 days
1 byte = 8 bits
1 kilobyte = 1024 bytes
1 megabyte = 1024 kilobytes
1 gigabyte = 1024 megabytes