Mortgage Calculator (Fixed-Rate)

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u/FinEducation · Joined Oct 2024

Discover how you'll steadily pay down your mortgage! Get insights into your borrowing journey and see how each payment reduces your debt over time.

Last update Oct 2024
  • Scenario 1: Remaining Balance
  • Scenario 2: Total Paid Interest
  • Scenario 3: Total Paid Principal

Click the '?' button to see a breakdown of monthly payments for principal and interest. Note that this calculation assumes the interest rate remains constant throughout the amortization period."

# Years from Now

Try your numbers:

Interest Rate: annual interest rate for this mortgage. Amortization: the number of years over which you will repay this loan; the most common amortization period is 25 years.

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  • Amount
    Any single amount ($).
  • Cash Flow
    Rent, insurance premium, salary, ...
  • Current Asset
    Real estate, commodity, bonds, ...
  • Installment Loan
    Mortgage, car loan, ...
  • Percentage
    Any percentage value (%).
  • Years / Months
    Any time horizon.
  • Age
    Show "Age" instead of "# Years from Now."
  • Retirement Age (requires Age)
    Enable "Investment Return After Retirement."

Time Value Assumptions

Heads Up!

If you're using Cost Basis (cb) for calculating capital gains:

Please be aware that very few countries currently use inflation-indexed cost basis. Double-check your local tax rules before publishing.

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How is Cash Value calculated?

The remaining balance of the mortgage, as you pay it down.

Calculations

(Expressions are evaluated at every year.)

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  • Buy Asset
    Buy an asset growing at its own rate.
  • Take Installment Loan
    Take a mortgage, loan, etc.
  • Invest
    Receive/Spend a lump sum.
  • Expect to Invest
    Expect to receive/spend a lump sum.
  • Expect Monthly Cash Flow
    Expect to receive/spend cash monthly.
  • Expect Yearly Cash Flow
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  • Define Variable (Numerical)
    Calculate an intermediate value.
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  • Define Variable (Numerical)
    Calculate an intermediate value.
  • Define Variable (Cash Flow)
    Calculate a combined cash flow.