From Salary to Bank Account: How Your Paycheck Is Actually Built

By the Super Simple Digital Tools Team · Updated June 2026 · Calculators

When you accept a job at, say, $60,000 a year, that number never shows up in your account. Payroll runs your earnings through a fixed sequence of subtractions, and understanding that sequence is the difference between budgeting on a fantasy figure and budgeting on reality. The good news is the process is predictable. Once you know the order in which money is removed and why, a paycheck stops being a mystery and the estimate this calculator produces starts to make intuitive sense.

The first thing payroll does is convert your annual pay into a single period. Divide your salary by your number of pay dates: weekly gives 52 checks, biweekly 26, semimonthly 24, and monthly 12. Then come pre-tax deductions. Contributions to a traditional 401(k) and many health insurance premiums are pulled out before income tax is figured, which shrinks your taxable wages. This is why two people earning the same salary can owe different amounts of income tax: the one putting more into pre-tax benefits hands the IRS a smaller base to tax.

Next is federal income tax withholding, and this is where a common misconception trips people up. The United States uses graduated brackets, so only the dollars that fall inside a higher bracket are taxed at that higher rate, not your entire income. Your effective rate, the share of your pay that actually goes to federal tax, is therefore lower than your top bracket. The details you put on your W-4, such as filing status and dependents, tell your employer how much to hold back each period.

Then FICA takes its cut, and it works differently from income tax. Social Security is a flat 6.2% on wages up to an annual cap ($184,500 for 2026), after which it stops for the year. Medicare is 1.45% on every dollar with no cap, plus an additional 0.9% on wages above $200,000. Notably, FICA is charged on your 401(k) contributions even though income tax is not, so retirement savings shrink your income tax bill but not your Social Security and Medicare withholding.

Finally, state and local income taxes apply where they exist, and any after-tax deductions, such as Roth 401(k) contributions or wage garnishments, come off the end. What survives all of this is your net pay. Run your own numbers through the calculator, then compare the breakdown to a real pay stub. If they roughly line up, you can trust the tool for planning; if they do not, the gap usually points to a state tax, a benefit, or a W-4 setting worth a closer look.

Quick tips

• Enter your pre-tax deductions like a traditional 401(k) and health premiums before reading the tax line, since they shrink the wages that income tax is calculated on.
• Compare the same salary across weekly, biweekly, and monthly frequencies to see how check size changes even though your yearly take-home stays identical.
• Remember that bumping up your 401(k) lowers income tax but not Social Security or Medicare, so the boost to take-home is smaller than the contribution amount.
• Validate the estimate against an actual pay stub once; a large gap usually means a state or local tax or a benefit deduction that needs to be added.

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