| Mortgage Payment | $0.00 |
| Property Tax | $0.00 |
| Home Insurance | $0.00 |
| PMI Insurance | $0.00 |
| HOA Fee | $0.00 |
| Other Costs | $0.00 |
| Total Out-of-Pocket | $0.00 |
| House Price | $0.00 |
| Loan Amount | $0.00 |
| Down Payment | $0.00 |
| Total of Mortgage Payments | $0.00 |
| Total Interest | $0.00 |
| Mortgage Payoff Date | - |
| Year | Interest | Principal | Ending Balance |
|---|
Mortgage amortization is the process of paying off a mortgage loan through regular scheduled payments over a set period. Each payment you make is split into two parts: the principal (the amount you borrowed) and the interest (the cost of borrowing).
In the beginning of your mortgage, the majority of your payment goes toward interest, with only a small portion reducing the principal. Over time, this gradually shifts, and by the end of your loan term, nearly all of your payment goes toward the principal. This calculator helps you visualize exactly how each payment affects your loan balance.
The monthly mortgage payment is calculated using the following formula:
M = P × [ r(1+r)n ] / [ (1+r)n − 1 ]
Let's walk through a real example. Suppose you take out a $200,000 mortgage at a 5% annual interest rate for 30 years:
| Month | Beginning Balance | Payment | Interest | Principal | Ending Balance |
|---|---|---|---|---|---|
| 1 | $200,000.00 | $1,073.64 | $833.33 | $240.31 | $199,759.69 |
| 2 | $199,759.69 | $1,073.64 | $832.33 | $241.31 | $199,518.38 |
| 3 | $199,518.38 | $1,073.64 | $831.33 | $242.31 | $199,276.07 |
| ... | ... | ... | ... | ... | ... |
| 358 | $3,199.41 | $1,073.64 | $13.33 | $1,060.31 | $2,139.10 |
| 359 | $2,139.10 | $1,073.64 | $8.91 | $1,064.73 | $1,074.37 |
| 360 | $1,074.37 | $1,073.64 | $4.48 | $1,069.16 | $0.00 |
As you can see, in the first month, 78% of your payment goes to interest, and only 22% goes toward reducing the principal. By the final payment, nearly everything goes to principal.
Paying off your mortgage early can save you thousands of dollars in interest. Here are the most effective strategies:
Even small additional payments can have a big impact. For example, adding just $50 per month to a $150,000 mortgage at 5.45% over 25 years can pay it off 2.5 years sooner and save over $14,000 in interest.
Instead of paying once a month, pay half your monthly payment every two weeks. This results in 26 half-payments per year, equivalent to 13 full monthly payments. On a $150,000 mortgage at 6.45% over 25 years, this can save nearly $30,000 over the life of the loan.
Whenever you receive a bonus, tax refund, or inheritance, consider applying it directly to your mortgage principal. The earlier you make a prepayment, the more interest you save. However, be aware that some lenders impose prepayment penalties or caps, so check your mortgage agreement first.
Refinancing from a 30-year to a 15-year mortgage typically comes with a lower interest rate and dramatically reduces total interest paid. Just be prepared for higher monthly payments.
While paying off your mortgage early sounds appealing, it's not always the best financial decision:
PMI (Private Mortgage Insurance) is typically required if your down payment is less than 20% of the home's purchase price. It protects the lender if you default. Once you've built enough equity (usually 20%), you can request to have PMI removed.
A larger down payment reduces your loan amount, which lowers your monthly payment and total interest paid. It can also help you avoid PMI and potentially secure a lower interest rate.
The interest rate is the cost of borrowing the principal. The APR (Annual Percentage Rate) includes the interest rate plus other fees (like closing costs, mortgage insurance, and points), giving you a more complete picture of the loan's true cost.
Yes! While designed for mortgages, the amortization math is identical for auto loans, personal loans, and student loans. Just enter the loan amount, interest rate, and term.
Yes, this calculator uses the standard amortization formula used by lenders worldwide. However, real-world payments may differ slightly due to rounding, escrow adjustments, or lender-specific fees.