This is what the calculation gives for the numbers you entered. It is an estimate, not advice, and it knows nothing about your situation beyond those numbers. Rules for United States change on a published schedule; the effective date is shown on every rule-based tool.
How this is calculated
A salaried employee divides one annual figure into equal periods, so the paycheck is the annual calculation divided by the number of pay periods. The lines are what matter: seeing Social Security and Medicare as separate items explains why net pay is lower than a bracket table alone predicts.
Worked examples
Each of these is asserted on every build. If a change to the engine ever moved one of these answers, the build would fail before the page could print it.
paid twice a month
- Gross annual salary
- $120,000.00
- Filing status
- Single
- Paid
- Twice a month
- State income tax rate
- 0%
- Pre-tax deductions (401k, health)
- $0.00
- Tax year
- Tax year 2025
Take-home per paycheck$3,873.04
7.65% of 120,000, all below the wage base
Open this exampleweekly pay divides into 52
- Gross annual salary
- $52,000.00
- Filing status
- Single
- Paid
- Weekly
- State income tax rate
- 0%
- Pre-tax deductions (401k, health)
- $0.00
- Tax year
- Tax year 2025
Take-home per paycheck$844.43
arithmetic identity: 7.65% of 52,000
Open this examplea state rate raises the total withheld
- Gross annual salary
- $100,000.00
- Filing status
- Single
- Paid
- Monthly
- State income tax rate
- 5%
- Pre-tax deductions (401k, health)
- $0.00
- Tax year
- Tax year 2025
Take-home per paycheck$6,224.04
5% of the 84,250 taxable income
Open this exampleMethod and limits
What it assumes
- The standard deduction is taken. Itemising changes the federal figure.
- State tax is applied as a flat rate to the same taxable income, which is right for flat-tax states and approximate elsewhere.
- No credits are applied.
What it deliberately does not model
- This is an annual calculation divided into periods, not a replication of IRS withholding tables, so an actual paycheck may differ by a small amount.
- Local and city income taxes, and state disability or family leave levies, are not included.
Sources
Formula version 1.0.0 · definition 1.0.0 · United States · Report a problem with this calculator
Frequently asked questions
- Why is FICA taken from my whole salary?
- Because it funds Social Security and Medicare rather than general revenue, and it has no standard deduction in front of it. Social Security stops at an annual wage base; Medicare has no ceiling at all.
- Why does my real paycheck differ slightly?
- Employers withhold using IRS period tables driven by your W-4, which approximate the annual result rather than dividing it exactly. Over a year the two converge, and the difference is settled on your return.