Our mortgage calculator with down payment helps you understand exactly how much house you can afford. Whether you're a first-time home buyer or refinancing, this home mortgage calculator gives you accurate monthly payment estimates, total mortgage cost breakdown, and loan amortization schedules. Use this house calculator to compare different down payment scenarios and find the best loan mortgage option for your budget.
Typically 0.5-1% of loan amount per year
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Mortgage Analysis for $400,000 Home:
Tip: Adding $200/month extra to principal could save ~$80,000 in interest and pay off 5 years early.
*Rates are approximate and vary by lender
PMI required if <20%
Lower credit score OK
For veterans & military
Input the total purchase price of the house you want to buy. This is the starting point for calculating your mortgage amount.
Enter the down payment amount or percentage. A 20% down payment eliminates PMI and reduces your monthly mortgage payment.
Enter the interest rate from your lender. Use our loan rate calculator feature to see how different rates affect your payment.
Select 15, 20, 25, or 30 years. Shorter terms mean higher payments but less total mortgage cost over time.
Add property taxes, home insurance, and PMI for a complete monthly payment estimate including all mortgage costs.
See your monthly mortgage payment, total interest, and overall loan cost. Use AI insights to optimize your home purchase.
This mortgage payment formula calculates the fixed monthly payment required to fully amortize your home loan over the specified term. The calculation includes principal and interest but excludes property taxes and insurance.
M = P × [r(1+r)ⁿ] / [(1+r)ⁿ - 1]
A 20% down payment eliminates PMI and significantly reduces your monthly mortgage payment
Even $100 extra per month toward principal can cut years off your home loan term
Shop at least 3 lenders — a 0.25% difference in loan rate saves thousands over the mortgage term
Consider total PITI (Principal, Interest, Tax, Insurance) when calculating mortgage cost
Your debt-to-income ratio should stay below 43% for most home mortgage approvals
Use this house calculator to compare 15-year vs 30-year loan options
Factor in closing costs (2-5% of home price) when planning your down payment
Our free mortgage calculator with down payment helps you determine exactly how much house you can afford. Whether you're buying your first home or refinancing an existing loan, this home mortgage calculator provides accurate monthly payment estimates, total mortgage cost breakdowns, and detailed amortization schedules.
Your down payment directly affects your mortgage amount and monthly payment. Use our down payment calculator feature to compare scenarios: a larger down payment means a smaller loan, lower monthly payments, and potentially avoiding PMI. Most lenders recommend 20% down, but FHA loans allow as little as 3.5%.
Even small differences in your loan rate significantly impact total mortgage cost. A 0.5% rate difference on a $320,000 loan can mean $30,000+ in additional interest over 30 years. Use our loan rate calculator to compare offers from multiple lenders and find the best deal for your home mortgage.
Your mortgage amount is determined by subtracting your down payment from the home price. Lenders also consider your income, credit score, and existing debts. This house calculator helps you understand affordability by showing exactly how different home prices and down payments affect your monthly mortgage payment.
Data sourced from trusted institutions
All formulas verified against official standards.