Mortgage Payment Calculator
Estimate your monthly mortgage payment including principal & interest, property taxes, insurance, and HOA. Model how an extra principal payment each month can shorten your payoff time and reduce total interest.
Property & Loan
Taxes, Insurance & HOA
Enter annual tax and insurance estimates. These are converted to monthly amounts and added to your payment as escrow.
Extra Principal Strategy
Extra principal directly reduces your loan balance. This can shorten your payoff period and cut total interest dramatically. Try $100–$500/month and see the impact.
Monthly Payment Breakdown
Home price$450,000
Down payment$45,000
Loan amount$405,000
Principal & interest$2,627
Property tax (monthly)$375
Insurance (monthly)$125
HOA dues$0
Escrows (T+I+HOA)$500
Base monthly payment$3,127
Lifetime Cost (Base vs With Extra)
Base payoff term360 months (30 years) · approx. 2055
Total interest (base schedule)$540,656
Total paid over life (base)$1,125,656
Add a monthly extra principal amount above to see how much interest and time you could save.
First Payment Snapshot
Principal portion$349
Interest portion$2,278
Early in the loan, most of your payment goes to interest. Over time, the principal portion grows as the balance shrinks. Extra principal accelerates this shift.

