How much does a Petroleum Engineers actually take home in California?
Progressive (up to 13.3%) — 30.7% effective total tax rateData: BLS OEWS 2024 + IRS/State Tax Brackets 2024 • Updated 2026-04-02
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Detailed line-by-line tax calculation for a Petroleum Engineers earning $134,330 in California (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $134,330 | — |
| Federal Income Tax | -$21,777 | 16.2% |
| California State Income Tax | -$9,145 | 6.8% |
| Social Security (OASDI) | -$8,328 | 6.2% |
| Medicare | -$1,947 | 1.5% |
| Total Taxes | -$41,199 | 30.7% |
| Take-Home Pay | $93,130 | 69.3% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Petroleum Engineers in California.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $74,300 | -$17,433 | $56,866 | 23.5% |
| 25th Percentile (P25) | $81,110 | -$20,086 | $61,023 | 24.8% |
| Median (P50) | $134,330 | -$41,199 | $93,130 | 30.7% |
| 75th Percentile (P75) | $180,170 | -$59,253 | $120,916 | 32.9% |
| 90th Percentile (P90) | $225,920 | -$76,934 | $148,985 | 34.1% |
A Petroleum Engineers in California faces a combined 30.7% effective tax rate, taking home $93,130 out of $134,330. The progressive (up to 13.3%) adds $9,145 on top of federal and FICA taxes. In a no-income-tax state, this salary would yield approximately $102,276 — a difference of $9,145/year.
Where does a Petroleum Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
California ranks #14 out of 26 states for Petroleum Engineers after-tax take-home pay.
A Petroleum Engineers in California earning a median salary of $134,330 will take home approximately $93,130 per year after federal income tax ($21,777), state income tax ($9,145), and FICA ($10,276). That is $7,760 per month or $3,581 per bi-weekly paycheck.
The effective total tax rate for a Petroleum Engineers in California is 30.7%, broken down as: federal income tax 16.2%, California state tax 6.8%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
California has a progressive (up to 13.3%). On a Petroleum Engineers's median salary of $134,330, the state income tax amounts to $9,145 per year, which is an effective state rate of 6.8%.
After all taxes, a Petroleum Engineers in California takes home approximately $7,760 per month, or about $44.77 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2024 BLS median salary of $134,330 for Petroleum Engineers in California, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), California state income tax (progressive (up to 13.3%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $93,130/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR