Mortgage Payoff Calculator
See how much faster you could get rid of your mortgage by sending extra money to principal each month or making annual lump-sum payments.
Current payoff path
Payoff time
30 years
Payoff date
May 2056
Total interest left
$426,100.95
Total remaining paid
$761,100.95
Accelerated payoff path
Payoff time
18 years, 3 months
Payoff date
Aug 2044
Months saved
11 years, 9 months
Interest saved
$187,917.10
First-year accelerated schedule
Includes your extra monthly payment and annual lump-sum strategy.
| Month | Payment | Principal | Interest | Remaining Balance |
|---|---|---|---|---|
| Jun 2026 | $2,419.00 | $604.42 | $1,814.58 | $334,395.58 |
| Jul 2026 | $2,419.00 | $607.69 | $1,811.31 | $333,787.89 |
| Aug 2026 | $2,419.00 | $610.98 | $1,808.02 | $333,176.91 |
| Sep 2026 | $2,419.00 | $614.29 | $1,804.71 | $332,562.62 |
| Oct 2026 | $2,419.00 | $617.62 | $1,801.38 | $331,945.00 |
| Nov 2026 | $2,419.00 | $620.96 | $1,798.04 | $331,324.04 |
| Dec 2026 | $2,419.00 | $624.33 | $1,794.67 | $330,699.71 |
| Jan 2027 | $2,419.00 | $627.71 | $1,791.29 | $330,072.00 |
| Feb 2027 | $2,419.00 | $631.11 | $1,787.89 | $329,440.89 |
| Mar 2027 | $2,419.00 | $634.53 | $1,784.47 | $328,806.36 |
| Apr 2027 | $2,419.00 | $637.97 | $1,781.03 | $328,168.39 |
| May 2027 | $4,919.00 | $3,141.42 | $1,777.58 | $325,026.97 |
EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.
Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.
Learn more about our review process on the EveryCalc methodology page.
How this calculator works
What this page estimates
This Mortgage Payoff Calculator is built to give a quick, browser-based estimate for mortgage payoff. See how much faster you could get rid of your mortgage by sending extra money to principal each month or making annual lump-sum payments. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.
Calculation approach
The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For general tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.
Example workflow
For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.
Practical checks
- Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
- Run a low, base, and high case when the inputs are estimates.
- Check the related calculators below when the next decision depends on a different assumption.
How to interpret the mortgage payoff result
Best use
Use the result as a practical estimate for comparing alternatives, checking a scenario, or deciding what to calculate next.
Cross-check
Compare the answer with the real document, measurement, source, or expert guidance that controls the final decision.
Watch for
The most common errors come from stale inputs, mismatched units, and assumptions that are too optimistic for the situation.
This page belongs to the planning calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.
Before relying on this mortgage payoff estimate
Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.
Check input quality
Use current numbers, consistent units, and the same assumptions you plan to use outside the calculator.
Compare against a source
Match the result against the real document, measurement, quote, record, or expert guidance behind the decision.
Stress-test the result
Change the most uncertain input and see whether the answer still supports the same conclusion.
Rerun this page when the source numbers, units, timing, or assumptions change.
How to Use
- Enter the remaining balance, current mortgage rate, and the payment you are already making.
- Add any extra monthly principal payment and optional once-a-year lump sum you expect to make consistently.
- Compare the baseline payoff path against the accelerated plan to see months saved and interest avoided.
- Review the first-year schedule to understand how quickly extra money shifts the payment mix toward principal.
Frequently Asked Questions
Does one extra mortgage payment a year really matter?
Often yes. Because mortgage interest is charged on the remaining balance, even modest recurring extra payments can remove months or years from the back end of the loan and cut total interest materially.
Should I make extra payments or invest instead?
That depends on your mortgage rate, tax situation, liquidity needs, and expected investment returns. This calculator answers the debt side of the tradeoff by showing the guaranteed interest saved.
Will my lender automatically apply extra money to principal?
Not always. Many servicers need the payment marked as principal-only, especially if you are paying more than the amount due. Check servicing instructions before relying on the savings estimate.
Why does a low payment fail the calculator?
If the payment does not cover the monthly interest charge, the balance will not amortize. In that case the calculator flags the payment as too low rather than pretending the loan will eventually pay off.
Can I use this after refinancing or recasting?
Yes. Enter the current remaining balance, rate, and actual payment amount on the loan as it exists today, regardless of how you got there.
Related Calculators
Mortgage Recast Calculator
Apply a lump sum and re-amortize the existing loan to lower the payment without refinancing.
Refinance Break-Even Calculator
Compare accelerated payoff against replacing the loan when break-even math favors refinancing.
Amortization Schedule Calculator
Inspect a full month-by-month amortization table with optional extra payments.
Mortgage Calculator
Estimate the original payment and lifetime interest on a fresh mortgage scenario.