Retirement planning

Select a state 401(k) calculator.

Choose a state-specific 401(k) calculator to see how pre-tax retirement contributions affect take-home pay and annual savings in 2026.

Select a state
Open the dedicated 401(k) calculator page for the state where payroll rules apply.
2026 401(k) paycheck guide

See how retirement contributions change take-home pay before payroll runs

Use the state selector to open the 401(k) calculator that matches where payroll rules apply, then compare contribution rates, paycheck impact, employer match, and projected retirement value in one route.

What the 401(k) calculator estimates

A 401(k) paycheck calculator shows two things at once: how much a contribution changes current take-home pay and how much that contribution could grow over time.

Because traditional 401(k) deferrals are usually pre-tax for federal withholding, the drop in net pay is often smaller than the contribution amount itself.

Inputs to gather before you model a contribution

  • State where payroll rules apply
  • Gross pay for the paycheck
  • Contribution rate or contribution amount
  • Employer match details when offered
  • Current balance, years to retirement, and assumed return if you want a projection

Why the state route still matters

Federal tax savings drive most of the immediate paycheck change, but state tax treatment can also move the final net-pay result.

That is why a 401(k) contribution can change take-home pay differently in California than it does in Texas or Florida.

State 401(k) calculators

Browse every state and territory 401(k) calculator below to open the dedicated 2026 route with local tax context and retirement-planning notes.

The calculators on this website are provided by HyprDev LLC and are designed to provide general guidance and estimates. These calculators should not be relied upon for accuracy, such as to calculate exact taxes, payroll or other financial data. Neither these calculators nor the providers and affiliates thereof are providing tax or legal advice. You should refer to a professional adviser or accountant regarding any specific requirements or concerns.