Paycheck, mortgage, and loan math — done in your browser, with the formula shown, no signup required.
Federal tax, FICA, and state tax by state — pick yours below.
Extra payments, biweekly, and a lump sum — combined in one calculator, full amortization schedule shown.
Itemized closing costs vs. monthly savings, month by month.
Draw-period vs. repayment-period payments, plus a rate-stress test.
The 28/36 rule, shown transparently, not just a single number.
50 states live so far — more added as tax data is verified.