Home Loan Calculator — mortgage/home financing projection.
Home Loan Calculator
Project monthly mortgage payments, financing cost, principal vs. interest, and loan payoff by home price and down payment.
Home loan inputs
Scenario comparison
Amortization preview
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How a home loan works
A home loan is usually an amortizing mortgage where the monthly payment is fixed and distributed between principal and interest. Early in the loan, more of the payment goes to interest because the balance is higher.
Down payment matters because it reduces the borrowed amount, which can reduce the interest paid over time and sometimes help avoid PMI. Borrowers often compare the full monthly housing payment, not just the loan payment, because taxes, insurance, HOA, and PMI can materially change the actual monthly cost.
Choosing a shorter term can mean a higher monthly payment but lower total interest, while a longer term may improve affordability but increase lifetime financing cost.
- Lower rates reduce both monthly payment and lifetime interest.
- Larger down payments may lower the loan amount and PMI.
- Property taxes and insurance can increase the total monthly housing cost.
- Extra monthly payments shorten the payoff period and reduce interest.
Frequently asked questions
What is included in the monthly payment?
It usually includes principal and interest, and may also include property taxes, homeowners insurance, HOA dues, and PMI depending on the loan and property.
How is the amortization schedule calculated?
Each payment is split between interest and principal using the outstanding balance and the agreed rate. Over time, the balance declines and the interest portion falls.
Why does down payment matter?
A larger down payment lowers the mortgage amount and may reduce PMI or improve the loan-to-value ratio, which often reduces borrowing costs.
What is PMI?
PMI is private mortgage insurance, commonly required when the down payment is below a certain threshold and the loan-to-value ratio is higher than a lender’s guideline.
Should I choose a 15-year or 30-year term?
A 15-year term usually reduces total interest and shortens the payoff period, but the monthly payment is higher. A 30-year term usually lowers the payment but increases lifetime cost.
Is this a lender approval estimate?
No. This calculator is an educational estimate and may differ from final lender terms based on credit profile, debt-to-income ratios, taxes, insurance, market conditions, and underwriting rules.