State Tax Calculator
Enter your income and your state's tax rate to estimate your state income tax.
- Free
- No sign-up
Enter your income and rate to estimate the state tax.
Worked example
With these example inputs:
- Annual income$70,000
- State tax rate5%
State income tax: $3,500
- The remaining share95.0%
- Amount left$66,500
- If the first figure were 10% higher$3,850
Frequently asked questions
How is state tax estimated here?
This applies a single flat rate to your income, which suits flat-tax states or a quick estimate. Income of $70,000 at a 5% rate is $3,500 in state tax.
What if my state uses brackets?
For progressive states, enter your effective rate rather than the top rate for a closer estimate. Our state-specific calculators handle full bracket structures.