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Before anything else: $37,440 gross, and rent alone is going to be the argument. Here's the whole calculation, tax by tax.
$18.00 an hour is $37,440 a year gross at 40 hours a week. After federal tax, Social Security and Medicare you keep $32,263, which is $2,689 a month or $1,241 every two weeks. Against Seattle prices running 11.1% above the national average, that spends like $29,040 would somewhere average.
$18.00 an hour is $37,440 a year at full time, and in Seattle that meets a price level running 11.1% above the national average. Those two facts get quoted separately all the time. Put together they say something different.
Right. Let's do the actual math.
Everything here assumes 40 hours a week for 52 weeks, which is 2,080 hours a year with no unpaid time off. If your hours get cut, or the schedule dips in a slow month, scale it down from here. Single filer, standard deduction, 2026 brackets.
| Line | Amount |
|---|---|
| Gross pay (2,080 hours) | $37,440 |
| Federal income tax | −$2,313 |
| Social Security and Medicare | −$2,864 |
| Washington state income tax | $0 |
| Take-home pay | $32,263 |
| Take-home a month | $2,689 |
| Take-home every two weeks | $1,241 |
| Take-home a week | $620 |
| Take-home an hour | $15.51 |
| Adjusted for Seattle prices (11.1% above average) | $29,040 |
Tax takes $5,177 of that $37,440, or 14% of it. What's left is $32,263 a year, which is $2,689 a month, $1,241 every two weeks, or $620 a week.
Put another way, your $18.00 an hour is really $15.51 an hour once withholding is done. That's the number to use when you're deciding whether an extra shift is worth it.
That last row is the one nobody shows you. The federal government scores every metro against a national average of 100, and Seattle scores 111.1. Living here costs you roughly $3,200 a year of buying power before you've bought anything, purely for buying it here.
Washington's zero income tax is real money. It just isn't enough money.
Washington charges no personal income tax, worth roughly $1,100 a year at this wage compared with a typical taxing state.
Which helps. It's also outweighed roughly 3.0 to one by what everything costs once you're here.
A one-bedroom at Seattle's fair market rent runs $2,146 a month, $2,501 for a two-bedroom. Against take-home of $2,689 a month, the one-bedroom eats 80% of it.
That's more than 45% of your take-home going to rent alone, which is severely cost-burdened by any standard definition. It leaves $543 a month for everything else, and that's before a car or childcare.
Seattle being 11% above average is a blended figure, and blending is exactly what you don't want here. Groceries and everyday goods run 4% above average. Housing runs 51% above it.
So the premium is rent. Your weekly shop will feel much like it did wherever you came from. Your rent won't, and it's the line that moves.
Seattle peaked in 2021 at 114.5 and has been coming back down since. It now sits 3.4 index points below that high.
That matters more than it sounds. Anyone quoting you a Seattle cost-of-living figure from a few years ago is quoting the peak, and the peak is not where things are.
And it has not dipped below the national average once in that entire stretch.
Turn it around. To hold the buying power $18.00 an hour gives you in an average American city, Seattle has to pay $20.00 an hour.
And here's the rent version of the same sum. A one-bedroom at $2,146 a month sits at 30% of take-home only once you're earning about $52.63 an hour, which is $34.63 an hour more than you're on. Full time, that gap is $72,027 a year.
| Metro | Price level100 = US avg | Take-home a month | Real value a year |
|---|---|---|---|
| Seattle, WA | 111.1 | $2,689 | $29,040 |
| Dallas, TX | 103.1 | $2,689 | $31,293 |
| San Diego, CA | 111.9 | $2,595 | $27,831 |
| Los Angeles, CA | 113.6 | $2,595 | $27,415 |
Your pay, your two cities, real federal price data. It takes about fifteen seconds.
Compare my citiesHonestly, it's a stretch. $18.00 an hour leaves $29,040 of real purchasing power in Seattle, and about $3,200 of that shortfall is the city rather than the tax code.
You can live on it. There isn't slack in it, and the rent figures further up are the reason.
Send the whole thing to your inbox so you can come back to it, or forward it to whoever you're deciding this with. We'll also tell you in January when the 2027 tax brackets and federal price data land and every number here changes.
The breakdown, then about one email a year. No sales pitch, unsubscribe any time.Gross, it's $37,440 a year at 40 hours a week for 52 weeks. After federal income tax, Social Security and Medicare, you keep about $32,263. That's a single filer taking the standard deduction under 2026 rates.
About $2,689 a month in Seattle, which is $1,241 on a biweekly schedule or $620 a week. Your actual check depends on hours worked, benefit deductions and what you claimed on your W-4.
In Seattle it comes to $32,263 of take-home against a price level of 111.1, where 100 is the national average. That's the same buying power as $29,040 somewhere average. The price premium costs you roughly $3,200 a year against the national average.
At the standard 30% of take-home, $807 a month. A one-bedroom at Seattle's fair market rent is $2,146, which is 80% of your monthly take-home, so you'd be over the line by $1,339 a month. Fair market rent is HUD's 40th-percentile figure including utilities, so it reads as the realistic floor rather than a typical listing.
Price levels are Regional Price Parities from the US Bureau of Economic Analysis, the federal government's official measure of geographic price differences. Rent is HUD fair market rent for fiscal year 2026. Tax figures are 2026 federal brackets and Washington state rates. The data vintage is shown on every page.