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    Loan Payment Calculator: Interest-Only, Amortization & PITIA

    Calculate interest-only or fully amortized loan payments, PITIA, balloon balances, extra principal, loan fees and rental cash flow. Download a monthly schedule.

    Estimate the monthly payment on a rental, bridge, commercial or other installment loan. Enter your actual loan terms, then add property costs for a complete carrying budget. The starting rate and amounts are illustrative.

    Plan your payment

    One loan. A complete payment picture.

    Start with the basics. Open advanced options to model your loan’s structure and cash flow.

    Loan basics
    For a balloon loan, enter the maturity term here.
    Property costs · PITIA
    Property carrying costs

    For a business, equipment, auto or personal loan, set property costs to $0. PITIA includes principal, interest, taxes, property and mortgage insurance, and association dues.

    Advanced options · extra principal, fees & rate change
    Advanced loan assumptions

    Extra principal reduces the balance without recasting the payment, except at IO conversion or a modeled rate reset. Mortgage insurance and property costs stay constant. This monthly model does not calculate daily accrual, draw schedules, repeat ARM resets, prepayment penalties or APR.

    Rental options · coverage & cash flow
    Optional rental assumptions

    Rent ÷ PITIA and NOI ÷ loan payment are different coverage measures. Confirm which method your lender uses. Rental cash flow includes your entered vacancy, expenses, and extra principal.

    Illustrative starting example: $300,000.00 at 7.25% for 30 years. This rate is an example, not a quote.

    Starting loan payment
    $2,046.53
    Starting monthly PITIA
    $2,696.53
    Starting monthly budget
    $2,696.53
    Balloon principal at maturity
    $0.00

    Payment breakdown & loan totals
    Month-one principal
    $234.03
    Month-one interest
    $1,812.50
    Monthly property taxes
    $500.00
    Monthly property insurance
    $150.00
    Monthly association dues
    $0.00
    Monthly mortgage insurance
    $0.00
    Other monthly costs (outside PITIA)
    $0.00
    Starting extra principal (outside PITIA)
    $0.00
    Financed loan balance
    $300,000.00
    Points and fees paid upfront
    $0.00
    Interest through payoff / maturity
    $436,750.38
    Interest plus entered loan fees
    $436,750.38
    Loan payments incl. extra principal & balloon
    $736,750.38
    Payoff / maturity month
    360
    Final month outlay incl. balloon & property costs
    $2,696.53

    Same balance, rate & amortization horizon

    Starting interest-only: $1,812.50 / month.
    Fully amortizing from day one: $2,046.53 / month.

    Debt payments only. Excludes property costs, fees paid upfront and extra principal.
    Monthly payment & amortization schedule

    Balance is shown after regular and extra principal payments, before any balloon payoff. The final month’s total includes the balloon.

    Payments in USD. Monthly note-rate interest; full precision used before display rounding.
    MonthRateLoan paymentPrincipalInterestExtra principalBalanceBalloonTotal outlay
    17.25%$2,046.53$234.03$1,812.50$0.00$299,765.97$0.00$2,696.53
    27.25%$2,046.53$235.44$1,811.09$0.00$299,530.53$0.00$2,696.53
    37.25%$2,046.53$236.87$1,809.66$0.00$299,293.66$0.00$2,696.53
    47.25%$2,046.53$238.30$1,808.23$0.00$299,055.37$0.00$2,696.53
    57.25%$2,046.53$239.74$1,806.79$0.00$298,815.63$0.00$2,696.53
    67.25%$2,046.53$241.18$1,805.34$0.00$298,574.45$0.00$2,696.53
    77.25%$2,046.53$242.64$1,803.89$0.00$298,331.80$0.00$2,696.53
    87.25%$2,046.53$244.11$1,802.42$0.00$298,087.70$0.00$2,696.53
    97.25%$2,046.53$245.58$1,800.95$0.00$297,842.12$0.00$2,696.53
    107.25%$2,046.53$247.07$1,799.46$0.00$297,595.05$0.00$2,696.53
    117.25%$2,046.53$248.56$1,797.97$0.00$297,346.49$0.00$2,696.53
    127.25%$2,046.53$250.06$1,796.47$0.00$297,096.43$0.00$2,696.53
    Months 1–12 of 360

    PITIA is a carrying-cost estimate, whether costs are escrowed or paid directly. The monthly budget adds other costs and extra principal; the balloon is shown separately. Fees exclude down payment, prepaid interest, escrow deposits and costs you have not entered.

    Choose the structure that matches your note

    • Fully amortizing: principal and interest repay the balance over the entered term.
    • Interest-only to maturity: monthly interest is due while the remaining principal is repaid at maturity.
    • Interest-only, then amortizing: the IO period is part of the total term. After IO ends, the remaining balance amortizes over the remaining months.
    • Amortizing with a balloon: payments use a longer amortization period, with the remaining principal due at the shorter maturity.

    An interest-only period can lead to a higher payment when principal repayment begins. The CFPB explains interest-only payments and the transition to principal repayment.

    Read the payment and carrying costs together

    The loan payment covers principal and interest, or interest only. PITIA adds property taxes, property and mortgage insurance, and association dues. Your monthly budget also includes other costs and extra principal entered in the form. The balloon balance appears separately so a low monthly payment does not hide the maturity obligation.

    Advanced options can add financed fees, extra monthly principal, a one-time principal payment, or one hypothetical rate change. Rental options show both gross rent divided by PITIA and net operating income divided by the loan payment. Confirm the coverage method in your lender’s program.

    Use the DSCR calculator for rental underwriting, the loan comparison calculator to compare quotes, or browse all investor calculators.

    Planning estimates only; this is not a loan offer or approval. The schedule uses monthly note-rate interest and full precision before display rounding. Actual servicing, payment dates, daily accrual, escrow changes and note terms may produce different amounts. Jaken Finance Group finances non-owner occupied investment properties.

    Frequently asked questions

    Can I calculate both interest-only and amortizing payments?
    Yes. Choose fully amortizing, interest-only through maturity, interest-only followed by amortization, or amortizing with a balloon. Enter your note rate, balance, and term.
    What does PITIA include?
    PITIA includes principal, interest, property taxes, insurance and association dues. This calculator includes entered mortgage insurance in PITIA. Other carrying costs and extra principal appear separately in the monthly budget.
    How do I model a commercial balloon loan?
    Choose amortizing with a balloon, enter the actual maturity term, then enter the longer amortization period used to size the payment. The calculator shows the remaining principal due at maturity and the final month’s total outlay.
    Can I use this for a business, auto, equipment or personal loan?
    Yes for a loan using monthly interest-only or amortizing payments based on a nominal annual note rate. Set property costs to zero. Daily interest, construction draws, add-on interest and repeat adjustable-rate resets require a separate model.

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