Mortgage Calculator
Mortgage Payoff Calculator
Estimate your mortgage payment and see how extra monthly payments could reduce interest and shorten your payoff timeline.
Use the Mortgage Payoff Calculator
Your results
- Required monthly payment
- $0.00
- Total interest paid
- $0.00
- Total amount paid
- $0.00
- Time saved with extra payments
- 0 months
- Interest saved with extra payments
- $0.00
Payoff Schedule
How this calculator works
- What it does
- Estimate your mortgage payment and see how extra monthly payments could reduce interest and shorten your payoff timeline.
- Inputs used
- The estimate uses loan amount, annual interest rate (%), loan term (years), and extra monthly payment (optional).
- Calculation approach
- The calculator applies the relationships defined for the mortgage payoff calculator to those inputs and updates required monthly payment, total interest paid, total amount paid, time saved with extra payments, and interest saved with extra payments.
- How to read the result
- Treat the result as a scenario based on the values entered. Compare a few reasonable inputs and consider costs, taxes, timing, or risks that the calculator does not include.
How to Use This Calculator
- Enter Loan amount and Annual interest rate (%) using values that match the scenario you want to evaluate.
- Enter Loan term (years) and Extra monthly payment (optional) using values that match the scenario you want to evaluate.
- Review the assumptions for the mortgage payoff calculator, especially rates, time periods, and optional amounts.
- Select Calculate to update the results, then adjust one input at a time to compare scenarios.
Understanding the Results
- Required monthly payment
- The estimated payment or withdrawal amount produced by the current balance, rate, and time assumptions.
- Total interest paid
- The estimated cost created by the entered rate over the selected period.
- Total amount paid
- The combined amount estimated from the recurring values and time period in this scenario.
- Time saved with extra payments
- The time saved with extra payments estimated by the Mortgage Payoff Calculator using loan amount, annual interest rate (%), and loan term (years) and the other values entered.
- Interest saved with extra payments
- The interest saved with extra payments estimated by the Mortgage Payoff Calculator using loan amount, annual interest rate (%), and loan term (years) and the other values entered.
Common Mistakes
- Entering an annual interest rate as a monthly rate, or leaving out fees and required payments.
- Assuming the quoted monthly payment includes taxes, insurance, or other costs when it may cover principal and interest only.
- Ignoring whether a payment is high enough to cover the interest added each month.
- Comparing payments without also comparing payoff time and total cost.
Worked Example
Example inputs
- Loan amount
- $350,000
- Annual interest rate (%)
- 6.5%
- Loan term (years)
- 30
- Extra monthly payment (optional)
- $100
Example results
- Required monthly payment
- $2,212.24
- Total interest paid
- $383,778.66
- Total amount paid
- $733,778.66
- Time saved with extra payments
- 3 years, 6 months
- Interest saved with extra payments
- $62,627.05
For this illustrative scenario, the required monthly payment is $2,212.24. Changing any input can materially change the result, so use the example as a walkthrough rather than a guarantee.
Frequently asked questions
How is the required mortgage payment calculated?
It uses the standard fixed-rate amortization formula based on the loan amount, monthly interest rate, and total number of monthly payments.
How do extra monthly payments affect the mortgage?
Extra payments are applied to principal after the required payment, reducing the balance that future interest is calculated on and potentially shortening the loan.
What do total interest and total amount paid represent?
They show the accelerated payoff schedule when an extra payment is entered. With no extra payment, they show the baseline mortgage schedule.
Does this calculator include taxes, insurance, or fees?
No. The payment includes principal and interest only. Property taxes, homeowners insurance, mortgage insurance, HOA dues, closing costs, and lender fees are excluded.
Should I always pay off my mortgage early?
Not necessarily. Compare the guaranteed interest savings with liquidity needs, emergency savings, other debt, investment opportunities, taxes, and any prepayment restrictions.
What does the Mortgage Payoff Calculator calculate?
Estimate your mortgage payment and see how extra monthly payments could reduce interest and shorten your payoff timeline. The result is based only on the inputs and assumptions shown on the page.
How should I interpret the required monthly payment from the Mortgage Payoff Calculator?
Use it as an estimate for the scenario entered, not as a guarantee or personal recommendation. Test changes to loan amount, annual interest rate (%), and loan term (years) to see which assumptions have the greatest effect.