7 calculators

All calculators.

Every calculator in the library — pay, investing, retirement, mortgages, and more. Each page is a tool plus a short, honest explainer.

Convert an hourly wage into annual, monthly, biweekly, and weekly salary estimates.

Convert a yearly salary into hourly, daily, monthly, and weekly pay estimates.

Estimate how your 401(k) balance could grow based on contributions, employer match, and annual return.

Estimate future portfolio value from an initial amount, monthly contributions, and compound growth.

Estimate monthly mortgage costs from home price, down payment, interest rate, taxes, and insurance.

Estimate a retirement nest egg and income potential based on savings, monthly contributions, and long-term growth.

Estimate your take-home paycheck after federal income tax, state income tax, Social Security, and Medicare — for any state and filing status.