Calculate the monthly payment, total interest and payoff for a mortgage in Washington.
Mortgage payment estimate for a Washington purchase: principal and interest on the financed amount over the chosen term, ignoring property tax and insurance. Rates in Washington vary by lender and credit.
Payment
M = P × r(1+r)^n / ((1+r)^n − 1)
Estimate only — confirm rates and terms with your lender.
No — it is an estimate. Your actual rate depends on the lender, your credit and the current market.
Rates are approximate reference values. Local rates, exemptions and rules can differ, so treat the output as a planning figure only.