See exactly how much cash you need upfront at common down payment percentages — then adjust the numbers below to match your own loan.
Quick Answer
A 20% down payment on a $450,000 house is $90,000 — the standard amount to avoid PMI. Lower down payments (3%–10%) are possible with the right loan program.
Home Details
Your Estimate
Down Payment Needed
$90,000
20% of $450,000
PMI typically applies below 20% down on conventional loans. Monthly payment estimate covers principal and interest only.
Estimated loan amount and monthly payment (principal & interest, 6.5% APR, 30-year term) at each common down payment level.
| Down Payment | Cash Needed | Loan Amount | Monthly Payment |
|---|---|---|---|
| 3% | $13,500 | $436,500 | $2,758.98 |
| 3.5% | $15,750 | $434,250 | $2,744.76 |
| 5% | $22,500 | $427,500 | $2,702.09 |
| 10% | $45,000 | $405,000 | $2,559.88 |
| 15% | $67,500 | $382,500 | $2,417.66 |
| 20% | $90,000 | $360,000 | $2,275.44 |
| 25% | $112,500 | $337,500 | $2,133.23 |