Down Payment Calculator - How Much to Put Down

See your down payment and remaining mortgage amount.

Down payment

$80,000

Loan amount

$320,000

Down Payment vs Loan

Savings Timeline

Savings Goal Timeline

MonthSavedRemaining% Saved
1$2,000$78,0003%
3$6,000$74,0008%
5$10,000$70,00013%
7$14,000$66,00018%
9$18,000$62,00023%
11$22,000$58,00028%
13$26,000$54,00033%
15$30,000$50,00038%
17$34,000$46,00043%
19$38,000$42,00048%
21$42,000$38,00053%
23$46,000$34,00057%
25$50,000$30,00063%
27$54,000$26,00068%
29$58,000$22,00073%
31$62,000$18,00078%
33$66,000$14,00083%
35$70,000$10,00088%
37$74,000$6,00093%
39$78,000$2,00098%
40$80,000$0100%

Understanding Down Payment

The down payment calculator helps you determine how much cash you need to put down on a home or vehicle purchase and how that amount affects your ongoing loan obligations. The down payment is one of the largest upfront costs in any major purchase and has a significant impact on your monthly payments, interest costs, and whether you need to pay for private mortgage insurance. This calculator lets you enter the purchase price and your available down payment amount to see the loan amount, the loan-to-value ratio, and your estimated monthly payment. You can also work backwards by entering your target monthly payment to find out how much you need for a down payment. For home purchases, putting down twenty percent or more eliminates the need for private mortgage insurance, which typically costs between thirty and seventy dollars per month for every hundred thousand dollars borrowed. However, many loan programs allow much smaller down payments, sometimes as low as three to five percent, making homeownership accessible to more buyers. The calculator shows how different down payment amounts affect your total cost over the life of the loan, helping you find the right balance between upfront cash and long-term savings. Use this free tool to plan your purchase and understand all your options.

Practical Example

Formula: down payment = price × percent / 100. Loan amount = price − down payment. Example: $400,000 price × 20% = $80,000 down, $320,000 loan.

Frequently Asked Questions

How much should I put down on a house?

20% is traditional and avoids private mortgage insurance, but many loan programs allow 3-10% with PMI.

How does down payment affect my mortgage?

A larger down payment reduces your loan amount, lowers monthly payments, and saves significant interest over the life of the loan.

Are closing costs separate from the down payment?

Yes — closing costs typically run 2-5% of the home price and are paid in addition to the down payment.

How can I verify this calculation manually?

Most calculations can be verified with a calculator app, spreadsheet, or by hand using the underlying formula (shown on the page). For complex multi-step calculations, verify each step independently before trusting the final number.

What should I do if the result seems off?

If the result seems wrong, check: (1) inputs are in the right units, (2) the formula matches your problem, (3) you did not transpose any numbers, (4) rounding is not causing small differences. If everything checks out and the answer still surprises you, that may be the actual result — counterintuitive outputs are common in real calculations.

Disclaimer: This calculator provides estimates for informational purposes only. Actual results may vary. Consult a qualified professional for personalized advice.

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