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 $ 8,375 $ 0 + 10.0% $ 0 8,375 34,000 837.50 + 15.0% 8,375 34,000 82,400 4,681.25 + 25.0% 34,000 82,400 171,850 16,781.25 + 28.0% 82,400 171,850 373,650 41,827.25 + 33.0% 171,850 373,650 --- 108,421.25 + 35.0% 373,650 Married filing jointly or Qualifying widow(er) At least: But not over:         The tax is:         of the amount over $ 0 $ 16,750 $ 0 + 10.0% $ 0 16,750 68,000 1,675.00 + 15.0% 16,750 68,000 137,300 9,362.50 + 25.0% 68,000 137,300 209,250 26,687.50 + 28.0% 137,300 209,250 373,650 46,833.50 + 33.0% 209,250 373,650 --- 101,085.50 + 35.0% 373,650 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 $ 2,300 $ 0 + 15.0% $ 0 2,300 5,450 345.00 + 25.0% 2,300 5,450 8,300 1,132.50 + 28.0% 5,450 8,300 11,350 1,930.50 + 33.0% 8,300 11,350 --- 2,937.00 + 35.0% 11,350