how is child maintenance calculated
Child maintenance calculator. Use the calculator to agree on a child maintenance amount if youâre arranging it yourselves, or to get an idea of the statutory amount the government would work out for you (including collection and application fees).Donât use the calculator if you have a â1993 schemeâ or â2003 schemeâ case.se the calculator to agree on a child maintenance amount if youâre arranging it yourselves, or to get an idea of the statutory amount the government would work out for you (including collection and application fees).