What actually goes into a mortgage payment
Most people picture a mortgage payment as just the loan, but four things usually share the bill: principal, interest, property tax and home insurance. Lenders lump them together and call it PITI. This calculator builds all four so the number you see is close to what will really leave your account each month, not just the loan portion that looks deceptively small in the ads.
The loan itself is the home price minus your down payment. That amount is spread over the term at your interest rate, and the monthly tax and insurance are added on top. Early in the loan almost all of your payment is interest. Only near the end does the balance start falling quickly, which is why paying a little extra in the first few years saves so much.
Two examples
Buy a 300,000 home with 60,000 down at 6% over 30 years. The principal and interest come to about 1,439 a month. Add property tax at 1.2% (around 300 a month) and 1,200 a year of insurance (100 a month) and the real payment is close to 1,839.
Keep everything the same but pick a 15-year term instead. The monthly payment jumps to roughly 2,025, which stings, but you pay far less interest overall because the balance clears in half the time. Over the life of the loan that shorter term can save well over a hundred thousand in interest.
How can you lower your mortgage payment?
- Put more money down. Every extra amount comes straight off the loan, so both the payment and the total interest fall.
- Chase a better rate. On a balance this size, even a quarter of a percent is worth real money over 30 years.
- Overpay when you can. Extra payments in the early years attack the balance while it is largest, which is where interest hurts most.
What is the mistake to avoid?
Shopping by monthly payment alone. A longer term or a smaller down payment can make the monthly figure look comfortable while quietly adding tens of thousands in interest. Look at the total interest over the life of the loan, and remember this figure does not include PMI, HOA fees or maintenance, which you should budget for separately.
Frequently asked questions
What is PITI?
Principal, interest, taxes and insurance, the four parts that usually make up a monthly mortgage payment. This calculator adds all four.
Does overpaying early really help?
A lot. Early payments hit the balance while it is largest, so they cut more interest than the same overpayment made years later.
Does this include PMI or HOA fees?
No. It covers principal, interest, property tax and insurance. Add PMI or HOA fees separately if they apply to you.
How much should my down payment be?
20% avoids mortgage insurance in many countries, but lower is possible. A larger down payment means a smaller loan and payment.
Should I pick 15 or 30 years?
It depends on whether you value a lower monthly payment or a lower total cost. A 15-year term has higher monthly payments but far less interest overall, because you clear the balance quickly. A 30-year term keeps the monthly payment low and more affordable month to month, but you pay a lot more interest across the life of the loan. As a rough example, on the same amount a 15-year loan can cost noticeably more each month yet save tens of thousands in total interest. Enter both terms above and compare the monthly payment against the total interest side by side.