How much does a Petroleum Engineers actually take home in Washington?
No state income tax — 23.6% effective total tax rateData: BLS OEWS 2024 + IRS/State Tax Brackets 2024 • Updated 2026-04-02
Some links are affiliate links. See our disclosure.
Detailed line-by-line tax calculation for a Petroleum Engineers earning $130,600 in Washington (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $130,600 | — |
| Federal Income Tax | -$20,882 | 16.0% |
| Washington State Income Tax | -$0 | 0.0% |
| Social Security (OASDI) | -$8,097 | 6.2% |
| Medicare | -$1,893 | 1.5% |
| Total Taxes | -$30,873 | 23.6% |
| Take-Home Pay | $99,726 | 76.4% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Petroleum Engineers in Washington.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $101,410 | -$21,909 | $79,500 | 21.6% |
| 25th Percentile (P25) | $118,860 | -$27,157 | $91,702 | 22.8% |
| Median (P50) | $130,600 | -$30,873 | $99,726 | 23.6% |
| 75th Percentile (P75) | $167,660 | -$42,602 | $125,057 | 25.4% |
| 90th Percentile (P90) | $200,310 | -$50,973 | $149,336 | 25.4% |
Washington has no state income tax, which means a Petroleum Engineers keeps $99,726 of their $130,600 salary — 76.4% of gross pay. Only federal income tax and FICA reduce the paycheck, making Washington one of the most tax-friendly states for this occupation.
Where does a Petroleum Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Washington ranks #8 out of 26 states for Petroleum Engineers after-tax take-home pay.
A Petroleum Engineers in Washington earning a median salary of $130,600 will take home approximately $99,726 per year after federal income tax ($20,882), state income tax ($0), and FICA ($9,990). That is $8,310 per month or $3,835 per bi-weekly paycheck.
The effective total tax rate for a Petroleum Engineers in Washington is 23.6%, broken down as: federal income tax 16.0%, Washington state tax 0.0%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
No, Washington does not levy a state income tax on wages. This means a Petroleum Engineers in Washington only pays federal income tax and FICA taxes, resulting in a lower overall tax burden compared to most other states. The total effective rate is 23.6%.
After all taxes, a Petroleum Engineers in Washington takes home approximately $8,310 per month, or about $47.95 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 $130,600 for Petroleum Engineers in Washington, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Washington state income tax (no state income tax), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $99,726/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