I appreciate your taking the initiative to try and calculate the percentage of the CA standard deduction. The fact is, it is much simpler than that (finally, something simple!) Here are the 2023 CA standard deductions (2024 not yet available), which are not based on your income but rather are a flat amount that applies to everyone based on their filing status:
| Filing status |
Enter on line 18 of your 540 |
| Single or married/Registered Domestic Partner (RDP) filing separately |
$5,363 |
| Married/RDP filing jointly, head of household, or qualifying widow(er) |
$10,726 |
Hope this helps! Thanks again for your feedback (and don't forget the thumbs up if this post answers your questions)
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