A bigger down payment changes more than your upfront cost — it affects your monthly payment, your total interest, and whether you’ll pay for PMI, all of which this home down payment calculator lets you test side by side. Home down payment calculator lets you test different down payment amounts to see exactly how each one changes your monthly mortgage payment and total interest cost, including whether a smaller down payment would require private mortgage insurance (PMI).
Home Down Payment Calculator
Calculate required down payment, loan amount, monthly mortgage payments, and PMI impact.
Monthly Payment Breakdown
Detailed Loan & Cost Summary
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If you’re not sure how much you actually need, our guide on how much down payment you need for a house covers common requirements by loan type, from as low as 3% to the 20% threshold that avoids PMI. Several loan programs are designed for smaller down payments — see first-time homebuyer programs in the US for options worth researching. Once you’ve settled on an amount, our home deposit calculator can help you plan a savings target to reach it.