A micrometre is a unit of length. A decilitre is a unit of capacity. The two units are therefore incompatible.
1 gallon = 37,85412 deciliters
25 liters = 250 dl
1 deciliter = 0.1 liter = 100 milliliter42.5 decliter = 42.5 x 100 milliliter = 4250 milliliter
1 litre = 10 deciletres, therefore 5.23 litres = 52.3 deciletres.