The individual tax rate schedules should only be used to calculate your Federal tax if your taxable income is over $100,000. If your taxable income is under $100,000, use the IRS tax tables or my tax calculator . The IRS provides the following tables to assist taxpayers in understanding how their tax is calculated.

Single At least: But not over:         The tax is:         of the amount over $ 0 $ 8,350 $ 0 + 10.0% $ 0 8,350 33,950 835.00 + 15.0% 8,350 33,950 82,250 4,675.00 + 25.0% 33,950 82,250 171,550 16,750.00 + 28.0% 82,250 171,550 372,950 41,754.00 + 33.0% 171,550 372,950 --- 108,216.00 + 35.0% 372,950 Married filing jointly or Qualifying widow(er) At least: But not over:         The tax is:         of the amount over $ 0 $ 16,700 $ 0 + 10.0% $ 0 16,700 67,900 1,670.00 + 15.0% 16,700 67,900 137,050 9,350.00 + 25.0% 67,900 137,050 208,850 26,637.50 + 28.0% 137,050 208,850 372,950 46,741.50 + 33.0% 208,850 372,950 --- 100,894.50 + 35.0% 372,950 C Corporations (Form 1120) At least: But not over:         The tax is:         of the amount over $ 0 $ 50,000 $ 0 + 15% $ 0 50,000 75,000 7,500.00 + 25% 50,000 75,000 100,000 13,750.00 + 34% 75,000 100,000 335,000 22,250.00 + 39% 100,000 335,000 10,000,000 113,900.00 + 34% 335,000 10,000,000 15,000,000 3,400,000.00 + 35% 10,000,000 15,000,000 18,333,333 5,150,000.00 + 38% 15,000,000 18,333,333 --- 0 + 35% 0 Fiduciary/Estate (Form 1041) At least: But not over:         The tax is:         of the amount over $ 0 $ 2,200 $ 0 + 15.0% $ 0 2,200 5,150 330.00 + 25.0% 2,200 5,150 7,850 1,067.50 + 28.0% 5,150 7,850 10,700 1,823.50 + 33.0% 7,850 10,700 --- 2,764.00 + 35.0% 10,700