California Income Tax Calculator
Estimate California income tax from the 2026 brackets, standard deduction and personal credit built into the tool, with marginal and effective rates.
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How to use this calculator
- 1
Enter your annual income and select your filing status.
- 2
Leave deductions at 0 to use the standard deduction built into the tool ($5,540 single, $11,080 joint).
- 3
The personal credit coded in the tool is applied automatically; enter any other credits.
- 4
Read your California income tax, marginal rate and effective rate.
Frequently asked questions
What California brackets does this tool use for single filers?
1% over $0, 2% over $11,079, 4% over $26,264, 6% over $41,452, 8% over $57,542, 9.3% over $72,724, 10.3% over $371,479, 11.3% over $445,771, 12.3% over $742,953, 13.3% over $1,000,000. These are applied to taxable income after the deduction.
What changes for married or registered-partner joint filers?
The joint column uses wider thresholds, with 13.3% starting at $1,485,906, and a $11,080 standard deduction and $306 credit.
How is the separate-filing option treated?
It runs on the single brackets, single standard deduction ($5,540) and single credit ($153), because the tool only has two schedules.
What does the personal credit do to the result?
The $153 single credit is subtracted from the bracket tax, floored at zero. With the standard deduction, a single filer's tax stays at $0 until gross income passes about $18,729.
Why is my marginal rate higher than my effective rate?
Marginal rate is the bracket holding your last taxable dollar, effective rate is tax over gross income. At $150,000 single, those are 9.3% and 6.48%.
Does the tool include federal tax or payroll deductions?
No. It estimates only the California bracket tax from your entered income. Federal tax, Social Security, Medicare and State Disability Insurance are not modelled.
Can I enter itemized deductions?
Yes. The tool uses the larger of the amount you enter and the standard deduction for your schedule, so entering less than $5,540 as a single filer has no effect.
Which income should I enter?
Enter the income you want taxed under the California schedule. The tool does not adjust it for any wage exclusions or add-ons, so it works from exactly the number in the box.
California income tax brackets and worked examples for 2026
California brackets in this tool (2026)
This page describes the California model coded into the calculator. Each rate applies only to the slice of taxable income inside its bracket, with ten rates from 1% to 13.3%. The thresholds are the figures built into this tool for the 2026 label.
| Rate | Single / separate | Joint |
|---|---|---|
| 1% | $0 – $11,079 | $0 – $22,158 |
| 2% | $11,079 – $26,264 | $22,158 – $52,528 |
| 4% | $26,264 – $41,452 | $52,528 – $82,904 |
| 6% | $41,452 – $57,542 | $82,904 – $115,084 |
| 8% | $57,542 – $72,724 | $115,084 – $145,448 |
| 9.3% | $72,724 – $371,479 | $145,448 – $742,958 |
| 10.3% | $371,479 – $445,771 | $742,958 – $891,542 |
| 11.3% | $445,771 – $742,953 | $891,542 – $1,000,000 |
| 12.3% | $742,953 – $1,000,000 | $1,000,000 – $1,485,906 |
| 13.3% | Over $1,000,000 | Over $1,485,906 |
Worked examples at several incomes
These results come from running the calculator with the standard deduction, the coded personal credit and no extra credits.
| Filing | Income | Taxable income | California tax | Effective rate | Marginal rate |
|---|---|---|---|---|---|
| Single | $30,000 | $24,460 | $225 | 0.75% | 2% |
| Single | $60,000 | $54,460 | $1,649 | 2.75% | 6% |
| Single | $90,000 | $84,460 | $4,140 | 4.6% | 9.3% |
| Single | $150,000 | $144,460 | $9,720 | 6.48% | 9.3% |
| Single | $400,000 | $394,460 | $33,200 | 8.3% | 10.3% |
| Single | $1,200,000 | $1,194,460 | $129,547 | 10.8% | 13.3% |
| Joint | $60,000 | $48,920 | $451 | 0.75% | 2% |
| Joint | $120,000 | $108,920 | $3,299 | 2.75% | 6% |
| Joint | $250,000 | $238,920 | $14,791 | 5.92% | 9.3% |
| Joint | $1,600,000 | $1,588,920 | $162,694 | 10.17% | 13.3% |
Marginal versus effective rate, in numbers
A single filer with $150,000 has $144,460 of taxable income after the $5,540 deduction. The tool computes $9,720 of tax, an effective rate of 6.48%, while the last slice sits in the 9.3% bracket. Another $1,000 of income adds $93 of tax, which matches the marginal figure rather than the average.
What is and is not modelled
The model takes your income, subtracts the larger of your itemized figure and the standard deduction ($5,540 single, $11,080 joint), runs the result through the bracket table, then subtracts the coded personal credit ($153 single, $306 joint) and any credit you enter. It does not model payroll contributions, federal tax, alternative minimum tax or other surtaxes, and it does not read different income types separately. Tax law changes every year and the tables in this tool are not updated automatically, so the IRS, your state tax agency or a qualified adviser governs what you actually owe.
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Results are estimates for informational purposes only and do not constitute professional financial, medical, legal, or technical advice. Read full disclaimer →