P PaycheckIndex US payroll calculators

2026 federal payroll calculations

Estimate paycheck withholding and the qualified overtime deduction.

Use 2026 IRS withholding schedules, W-4 inputs, Social Security limits, and FLSA overtime rules for a traceable planning estimate.

6.2% Social Security $184,500 wage base 1.45% Medicare

Published state calculators

Start with states that do not tax individual wages.

These pages apply the same 2026 federal withholding method and start state individual wage income tax at zero. Alaska and Washington also include common statewide employee payroll contributions for covered wages.

State compliance guide

California final paycheck rules

Compare discharge, resignation with 72 hours' notice, resignation without notice, accrued vacation, and waiting-time penalty scenarios against California Labor Code sections 201-203.

Where to start

Choose the payroll question you need to answer.

03

California final paycheck

Check timing, vacation payout, and waiting-time penalty scenarios against official state sources.

05

Employer payroll cost

Estimate employer FICA, unemployment, workers compensation, and benefits cost.

Planning workflow

Move from a quick estimate to an official source check.

1. Estimate Use the calculator that matches the question: paycheck withholding, overtime deduction, 1099 tax, or employer cost.
2. Compare Review the related official method, state final pay rule, or federal deadline page.
3. Verify Confirm current IRS, SSA, DOL, and state agency rules before taking action.

Source ledger

Official references used by PaycheckIndex