Use this fertiliser conversion tool to convert a quantity of elemental fertiliser to oxides or vice versa.

To convert a specific value not listed enter the 'Quantity' and 'Conversion type' values below and click on ' = '

QuantityFertiliser StateConversion

Select Element
  P  K  Mg  S  Na  Na salt

OR

Select Oxide
  P₂O₅  K₂O  MgO  SO₃  Na₂O  Salt