For taxable years beginning in 2017:

Ohio Taxable Income Tax Calculation 0 – $10,650 0.000% $10,651 - $16,000 $79.08 + 1.980% of excess over $10,650 $16,000 – $21,350 $185.01 + 2.476% of excess over $16,000 $21,350 – $42,650 $317.48 + 2.969% of excess over $21,350 $42,650 - $85,300 $949.88 + 3.465% of excess over $42,650 $85,300 – $106,650 $2,427.70 + 3.960% of excess over $85,300 $106,650 – $213,350 $3,273.16 + 4.597% of excess over $106,650 more than $213,350 $8,178.16 + 4.997% of excess over $213,350