VOLUME
  Metric Imperial/USA
     
1 Cubic centimetre    
     
1 Cubic metre = 1000 litres = 35.314 cubic feet
    = 1.308 Cubic yards
     
1 Litre   = 0.0353 Cubic foot
    = 0.2642 U.S. Gallons
    = 0.2201 Imperial gallon
     
1 Cubic inch = 16.39 cubic centimetres  
     
1 Cubic foot = 0.0283 Cubic metres = 7.48 U.S. Gallons
  = 28.32 litres = 6.23 Imperial gallons
     
1 Cubic yard = 0.7645 cubic metres  
     
1 U.S. Gallon = 3.783 litres = 0.833 Imperial gallons
     
1 Imperial gallon = 4.546 litres = 1.201 U.S. gallons
     
1 Acre-inch = 102.8 cubic metres = 3,630 Cubic feet
     
1 Acre-foot = 1,233.5 cubic metres = 43,560 Cubic feet
     
RATES OF FLOW    
1 Cubic metre per second = 35.314 cubic feet per second
     
1 Cubic metre per hour = 0.278 litres per second = 4.403 U.S. gallons per minute
    = 3.668 Imp. Gallons per minute
     
1 Litre per second = 3.6 cubic metres per hour = 0.0353 cubic feet per second
    = 15.852 U.S. gallons per minute
    = 13.178 Imp. gallons per minute
     
1 Cubic foot per second = 0.0283 cubic metres per second = 448.8 U.S.Gallons per minute
  = 28.32 litres per second = 1 acre-inch per hour
    (approximately)
    = 2 acre-feet per day
    (approximately)
     
1 U.S. Gallon per minute = 0.0631 cubic metres per second  
   
1 Imperial gallon per minute = 0.07573 litres per second