Updated · Built and checked by the PlinzoTools team, formulas tested against published sources
Calculate a down payment as a percentage of the total purchase price.
The reverse of the Mortgage Down Payment Calculator -- given a specific dollar down payment amount and a purchase price, this tool calculates what percentage of the price that down payment represents.
Enter your down payment amount and the purchase price. The down payment percentage appears instantly.
The calculation divides your down payment by the purchase price and multiplies by 100. The result is displayed with two decimal places. If the purchase price is zero or negative the tool returns 0 percent rather than an error, so make sure both fields hold sensible values before reading the output.
Down payment % = (down payment / purchase price) x 100
Suppose you have 42,000 dollars saved and you are looking at a 300,000 dollar home. The calculation is 42,000 divided by 300,000, or 0.14, which is 14 percent. To reach 20 percent you would need 60,000 dollars, so you are 18,000 dollars short. If you look at a 250,000 dollar home instead, the same 42,000 dollars is 16.8 percent, showing how choosing a lower price raises your percentage without any additional savings. This is useful for comparing what price range lets you cross a particular threshold.
Lenders often look at the loan-to-value ratio, which is the flip side of your down payment percentage. A 14 percent down payment is an 86 percent loan-to-value ratio. That ratio can affect whether mortgage insurance is required, what interest rate you are offered, and which loan programs you qualify for. Knowing your exact percentage lets you ask a lender precise questions and check the thresholds that apply to your situation.
You can work backward. To find the maximum price for a given down payment and target percentage, divide the down payment by the percentage expressed as a decimal. For example, 42,000 dollars at a 10 percent target supports a price of 420,000 dollars, while a 20 percent target supports 210,000 dollars. The calculator does not do this directly, but you can experiment with prices until the output matches your target.
Ask a mortgage professional how your specific down payment percentage affects rates and insurance.
Yes -- the math is identical regardless of what you're purchasing, though the Car Down Payment Calculator is tailored specifically to car-buying language if that's your use case.
The tool will simply return a percentage above 100. That usually signals an entry mistake, so double-check both numbers.
If the purchase price is zero or blank, the tool returns 0 percent to avoid dividing by zero. Enter a positive price.
Loan-to-value is roughly 100 minus your down payment percentage, before other adjustments. A 15 percent down payment corresponds to an 85 percent loan-to-value ratio.
Yes. The math is the same for any purchase where you pay part up front, although lenders for those items have their own rules.
Reference: Consumer Financial Protection Bureau