1099 Tax Calculator Oregon 2026
Oregon has 4 graduated income tax brackets ranging from 4.75% to 9.9%. Some Oregon localities (notably Multnomah County and Portland Metro) impose additional local income taxes for high earners - these are not modeled in this calculator. Self-employed workers in Oregon owe state tax in addition to federal income tax and 15.3% self-employment tax. Use the calculator below to estimate your 2026 total tax liability.
Net income after business expenses
Enter your income to see your tax breakdown
How Oregon taxes self-employment income
Oregon has graduated income tax brackets with a top rate of 9.90%.
Oregon has 4 brackets with a top rate of 9.9%. Personal exemption is structured as a $250 credit (phases out above $100K single / $200K MFJ federal AGI — not modeled). Some Oregon localities (e.g., Multnomah County, Portland Metro) impose local income taxes for high earners — not modeled. Oregon does not fully index its top brackets.
Federal tax also applies
Regardless of state, all 1099 contractors and self-employed workers in Oregon owe federal income tax and self-employment tax. SE tax is 15.3% on net earnings (12.4% Social Security up to $184,500 in 2026, plus 2.9% Medicare with no cap). Federal income tax follows the standard bracket structure (10-37%).
The calculator above includes federal, SE, and Oregon state tax in one estimate, and breaks down quarterly estimated payments due April 15, June 15, September 15, 2026, and January 15, 2027.