Mortgage Calculator

Calculate your full monthly mortgage payment including principal, interest, taxes, insurance, and PMI. See how extra payments affect your loan payoff.

Calculate Your Payment

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Total Monthly Payment

$6,122.77

Principal & Interest$4,989.77
Property Tax$833
Insurance$300
Loan Amount$750,000
Down Payment$250,000
Total Interest$1,046,317
Total Cost$2,046,317

Loan Balance Over Time

How your remaining balance and cumulative interest change over the life of the loan.

Yr 0Yr 1Yr 2Yr 4Yr 6Yr 8Yr 10Yr 12Yr 14Yr 16Yr 18Yr 20Yr 22Yr 24Yr 26Yr 28Yr 30$0k$300k$600k$900k$1200k
  • Loan Balance
  • Cumulative Interest
  • Principal Paid

Amortization Schedule

Loan: $750,000 • Total Interest: $1,046,317 • Total Paid: $1,796,317

YearPaymentPrincipalInterestBalance
Year 1$59,877.22$7,618.57$52,258.65$742,381
Year 2$59,877.22$8,169.32$51,707.90$734,212
Year 3$59,877.22$8,759.88$51,117.34$725,452
Year 4$59,877.22$9,393.13$50,484.09$716,059
Year 5$59,877.22$10,072.16$49,805.06$705,987
Year 6$59,877.22$10,800.28$49,076.94$695,187
Year 7$59,877.22$11,581.04$48,296.19$683,606
Year 8$59,877.22$12,418.23$47,458.99$671,187
Year 9$59,877.22$13,315.94$46,561.28$657,871
Year 10$59,877.22$14,278.56$45,598.67$643,593

What Is a Mortgage Calculator and How Does It Work?

A mortgage calculator is an essential tool for any real estate investor evaluating a multifamily or single-family investment. It takes your loan details — purchase price, down payment, interest rate, and loan term — and calculates your monthly principal and interest (P&I) payment using the standard amortization formula. Understanding your mortgage payment is the foundation of every cash flow analysis.

The monthly P&I payment is determined by three variables: your loan amount (purchase price minus down payment), your interest rate, and your loan term. A higher down payment reduces your loan balance and monthly payment, but also increases the cash you need upfront. A longer loan term (30 years vs. 15 years) lowers your monthly payment and improves cash flow, but results in significantly more total interest paid over the life of the loan.

For a complete picture of your monthly housing cost, this calculator also includes property taxes, homeowner's insurance, and PMI (Private Mortgage Insurance). Together, these four components — principal, interest, taxes, and insurance — are referred to as PITI, which is how lenders evaluate your ability to service the debt.

The interactive loan balance chart shows how your remaining balance and cumulative interest change over the life of the loan. Use the additional payment field to see exactly how much interest you save and how many years you cut off your mortgage by making extra principal payments each month.

For rental property and multifamily investment analysis, your mortgage payment is just one piece of the puzzle. Use the Rental Property Deal Analyzer to combine your mortgage with rental income, operating expenses, and key metrics like cap rate, cash-on-cash return, and DSCR to evaluate the full investment.

Frequently Asked Questions

Full Analysis

Ready for the complete picture?

The Rental Property Deal Analyzer combines every metric — cash flow, cap rate, DSCR, deal risk score, exit projections, and tax benefits — in one tool.

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