Just find the volume with the dimensions given. 10x25x2 = 500m^3 Once you find that, turn that into cm^3 because it'll be easier. 1m^3 = 1000,000cm^3 500m^3 = 125,000,000cm^3 Since cm^3 can be ml, convert that into litres 1000ml = 1L 125,000,000 = 125,000L