US payroll tax calculators, line by line
Three calculators built on one calculation engine: what an employee actually takes home, what an employee really costs an employer, and what a self-employed worker owes. Every line shows its amount, its explanation and its source.
Employees — gross to net
Federal income tax, Social Security, Medicare and state tax, period by period, with the cumulative Social Security wage cap applied correctly.
Employers — the true cost of an employee
Employer FICA, FUTA, SUTA, workers compensation ranges and benefit assumptions, state by state — the number a salary offer actually commits you to.
Self-employed & 1099 — SE tax and estimates
Self-employment tax, income tax and the four quarterly estimated payments, with an LLC vs S-corp comparison produced by the same engine.
How these calculators work
Parameters are data, not code: every rate, wage base and bracket cites its primary source and verification date, and the same structured result object feeds the screen, the tests and (from J8) the PDF. Known limits are published, not hidden — each calculator page carries a “limits and sources” box.
Paycheck calculator by state
- California paycheck calculator
- New York paycheck calculator
- Illinois paycheck calculator
- Pennsylvania paycheck calculator
- Ohio paycheck calculator
- Georgia paycheck calculator
- North Carolina paycheck calculator
- States with no income tax on wages
- Gross to net calculator
- Hourly to salary converter
- Bonus calculator
- Gross-up calculator
- Overtime calculator
Employer cost by state
- California employer cost
- Texas employer cost
- New York employer cost
- Florida employer cost
- Washington employer cost
- Illinois employer cost
- Pennsylvania employer cost
- Ohio employer cost
- Georgia employer cost
- North Carolina employer cost
- SUTA calculator — California
- SUTA calculator — Texas
- SUTA calculator — Washington
- W-2 vs 1099 — employer view
1099 and self-employment by state
- California 1099 tax calculator
- New York 1099 tax calculator
- Illinois 1099 tax calculator
- Pennsylvania 1099 tax calculator
- Ohio 1099 tax calculator
- Georgia 1099 tax calculator
- North Carolina 1099 tax calculator
- 1099 tax in states with no income tax
- Quarterly estimated tax calculator
- LLC vs S-corp calculator
- 1099 vs W-2 — worker view