California Tax Calculator
Estimate the tax on an amount at a California tax rate. Enter the taxable amount and the rate that applies — whether that's a sales tax rate or your effective income tax rate — to see the tax owed and the total after tax.
Formula
Tax = amount × (rate% ÷ 100); Total = amount + tax
- Tax owed is the taxable amount multiplied by the rate expressed as a decimal.
- California's statewide sales tax base is 7.25% (often higher locally with district taxes).
- California state income tax is progressive (1%–13.3%) — for income, enter your effective (blended) rate rather than your top bracket.
- This is a flat-rate estimate; it does not apply tax brackets, deductions, or credits.
- Enter monetary values in your local currency; the percentage calculation is the same.
$1,000 taxed at 7.25%
Inputs
- Taxable Amount: 1000
- Tax Rate %: 7.25
Tax = $1,000 × 0.0725 = $72.50. Total after tax = $1,000 + $72.50 = $1,072.50.
Frequently asked questions
Is this sales tax or income tax?
It works for either — it applies a single flat rate to an amount. For sales tax use ~7.25% or your local combined rate; for income tax enter your effective rate, since California income tax is progressive.
What is California's income tax rate?
California has nine income tax brackets ranging from 1% to 13.3%. Your effective rate (total tax ÷ total income) is lower than your top bracket, so use that here for a realistic estimate.
Does this account for deductions?
No. This is a simple flat-rate estimate. Real income tax involves brackets, the standard deduction, and credits, so treat the result as a quick approximation.
How do I find the sales tax rate?
Look up your city or ZIP code on the CDTFA website for the exact combined rate, then enter it here.