Oklahoma Income Tax Calculator
Use this free income tax calculator customized with Oklahoma-specific tax rates, costs, and financial data.
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Frequently Asked Questions
What is the Oklahoma state income tax rate?
Oklahoma has a top marginal income tax rate of 4.75%. The state uses a progressive tax system with 6 brackets.
Does Oklahoma have a flat or progressive income tax?
Oklahoma uses a progressive income tax system with 6 brackets ranging from 0.25% to 4.75%.
How do I file my Oklahoma state income tax return?
Oklahoma residents must file a state income tax return with the Oklahoma Department of Revenue (or equivalent agency). Most taxpayers can file electronically. The deadline typically aligns with the federal tax deadline of April 15.