How do you calculate net pay from gross pay?
Net pay = gross pay − pre-tax deductions − federal tax − state tax − FICA − post-tax deductions. For a $2,000 biweekly check with $120 of 401(k) and $90 of health premiums, a single filer typically nets about $1,520 — roughly 76% of gross.
Worked example: $2,000 biweekly paycheck, single filer (2025)
| Line item | Amount | Type |
|---|---|---|
| Gross pay | $2,000 | Per biweekly period |
| 401(k) contribution (6%) | −$120 | Pre-tax |
| Health premium | −$90 | Pre-tax |
| Federal income tax | −$148 | On $1,790 taxable |
| FICA (7.65%) | −$153 | On full $2,000 gross |
| Net pay | $1,489 | ≈ 74% of gross |
How to read this table
- Gross pay sits at the top of the table ($2,000) — per biweekly period. If your situation looks like this row, plan against the upper half of the range rather than the midpoint.
- Health premium anchors the bottom (−$90) — pre-tax. Treat this as the conservative case you should still be profitable at.
- The gap between the top and bottom row is roughly 22×. That spread is why a single blended average is close to useless here — pick the row that matches your setup instead of averaging the column.
- With 6 reference points in the "worked example: $2,000 biweekly paycheck, single filer (2025)" table, the fastest way to use this page is to find the closest row, take its amount, then stress-test it ±30% before you build a plan on it.
Context
Pre-tax deductions do double duty: the $210 above both saves for retirement and shrinks the income tax is calculated on, saving about $25 of federal tax per check. Post-tax deductions (Roth 401(k), union dues, garnishments) come out after tax and don't reduce it. If your net pay is lower than this formula predicts, look for post-tax items or a W-4 with extra withholding.
What moves this number
Filing status and W-4 settings
Married filing jointly roughly doubles bracket widths and the standard deduction, so the same salary withholds very differently by status. Dependents, second jobs, and extra-withholding entries on the W-4 move every paycheck.
State and local taxes
Nine states levy no wage income tax while top marginal rates elsewhere exceed 10%, and cities like New York add their own layer. The same salary can differ by hundreds of dollars per month purely on location.
Pre-tax benefits
Traditional 401(k), HSA, and health premiums come out before income tax, shrinking both taxable income and the withholding on each check — a raise in contributions costs less take-home than the headline amount.
Methodology
Federal withholding estimated with the 2025 single-filer brackets and $15,000 standard deduction spread over 26 periods. FICA is 7.65% of gross wages. State tax excluded — add your state's rate for a precise figure.
Assumptions and caveats
- Figures use current-year federal brackets and standard deductions; your actual withholding depends on your W-4 and state.
- Estimates exclude credits (Child Tax Credit, EITC), which can materially change the final number.
- This is educational arithmetic, not tax advice — confirm decisions with a tax professional.
- This page was last reviewed on 2026-10-01. Ranges are updated as new data lands, so re-check before using them in a contract or a plan.
- Use these numbers as a starting range, not a guarantee — your own historical data always beats a benchmark.
Frequently asked questions
How do you calculate net pay from gross pay?
Net pay = gross pay − pre-tax deductions − federal tax − state tax − FICA − post-tax deductions. For a $2,000 biweekly check with $120 of 401(k) and $90 of health premiums, a single filer typically nets about $1,520 — roughly 76% of gross.
Which option pays the most in the worked example: $2,000 biweekly paycheck, single filer (2025) table?
Gross pay, at $2,000 (Per biweekly period). That row represents the strongest case in this dataset, so use it as an upper bound rather than an expectation.
What is a realistic low-end figure?
Health premium at −$90 (Pre-tax). Plan your costs so the low end still works, then treat anything above it as upside.
Why do the numbers vary so much?
The spread between the highest and lowest row is about 22×. Filing status and W-4 settings and state and local taxes explain most of that gap — see the drivers section above for the full list.
Where do these numbers come from?
Federal withholding estimated with the 2025 single-filer brackets and $15,000 standard deduction spread over 26 periods. FICA is 7.65% of gross wages. State tax excluded — add your state's rate for a precise figure.
How can I estimate my own number instead of using a benchmark?
Use the Take-Home Pay Calculator on RevenueLab — it takes your own inputs and returns a figure specific to your setup, which is always more accurate than a published range.
Model your own numbers
Related reading
More answers in this category
- How do you calculate take-home pay?
- What percentage of a paycheck goes to taxes?
- How do you calculate FICA taxes on a paycheck?
- How do you calculate federal income tax withholding from a paycheck?
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Last updated 2026-10-01.