Schedule Z If your filing status is Head of household If your taxable income is Over 0 13 850 52 850 84 200 160 700 204 100 510 300 But not over 13 850 52 850 84 200 160 700 204 100 510 300 The tax is X 10 1 385 00 12 6 065 00 22 12 962 00 24 31 322 00 32 45 210 00 35 152 380 00 37 Calculate the tax for each taxable income of a head of house a 400 000 115 409 00 b 10 954 1 095 40 c 108 962 22 303 00