0^-2 10^-4 10^-6
milli m 10^-3 10^-6 10^-9
decimilli dm 10^-4 10^-8 10^-12
centimilli cm 10^-5 10^-10^ 10^-15
micro u 10^-6 10^-12 10^-18
nano n 10^-9 10^-18 10^-27
pico p 10^-12 10^-24 10^-36
femto f 10^-15 10^-30 10^-45
atto a 10^-18 10^-36 10^-54

Conversion Factors

To Convert From To Multiply By

acres ares 40.468 564 224
acres hectares 0.404 685 642 24
acres square feet 43,560
acres square kilometers 0.004 046 856 422 4
acres square meters 4,046.856 422 4
acres square miles (statute) 0.001 562 50
acres square yards 4,840
ares square meters 100
ares square yards 119.599
barrels, US beer gallons 31
barrels, US beer liters 117.347 77
barrels, US petroleum gallons (British) 34.97
barrels, US petroleum gallons (US) 42
barrels, US petroleum liters 158.987 29
barrels, US proof spirits gallons 40
barrels, US proof spirits liters 151.416 47
bushels (US) bushels (British) 0.968 9
bushels (US) cubic feet 1.244 456
bushels (US) cubic inches 2,150.42
bushels (US) cubic meters 0.035 239 07
bushels (US) cubic yards 0.046 090 96
bushels (US) dekaliters 3.523 907
bushels (US) dry pints 64
bushels (US) dry quarts 32
bushels (US) liters 35.239 070 17
bushels (US) pecks 4
cables fathoms 120
cables meters