Calculate your down payment amount and remaining loan amount for a home, car, or any large purchase, from either a percentage or a fixed amount.
📂 Personal FinanceFill in the fields on the left with your information, then press the button to see your result instantly. No sign-up required, and no data is sent anywhere — everything is calculated right in your browser.
A down payment is the portion of a purchase price paid upfront in cash, with the remainder typically covered by a loan. The size of a down payment directly affects how much needs to be financed: a larger down payment means a smaller loan amount, which generally means a smaller monthly payment and less total interest paid over the life of the loan, assuming the same interest rate and term. This calculator works from either a percentage of the purchase price (useful when you're comparing a lender's minimum requirement, such as "20% down") or a fixed cash amount (useful when you know exactly how much you have saved to put down), converting automatically between the two so you always see both figures plus the resulting loan amount. It also shows a quick comparison table of down payment amounts at several common percentages, making it easy to see how the numbers change as you adjust how much you plan to put down.
Whether you're buying a home, a car, or any other large asset that's typically financed, the size of your down payment is one of the first and most consequential decisions in the whole process — it determines how much you need to borrow, and that loan amount ripples through everything that follows: your monthly payment, your total interest cost, and in many cases whether you qualify for the loan at all.
The mechanics are simple: your down payment amount is subtracted from the total purchase price, and the remainder is the amount you finance. A $300,000 home with a 20% down payment ($60,000) leaves a $240,000 loan, while the same home with only 10% down ($30,000) leaves a $270,000 loan — a $30,000 difference in principal that translates into a noticeably higher monthly payment and a meaningfully larger total interest bill over a typical loan term, even at an identical interest rate.
Lenders often set minimum down payment thresholds, and crossing certain percentage thresholds can unlock better terms. In many mortgage markets, for example, putting down at least 20% avoids extra insurance requirements that lenders impose on smaller down payments to offset their added risk — which is why 20% is such a commonly cited reference point for home purchases, even though smaller down payment programs exist and are widely used. Car loans typically have more flexible expectations, often ranging anywhere from 0% to 20% depending on the lender, the buyer's credit profile, and local market norms.
It's worth remembering that a bigger down payment isn't automatically the right choice for everyone. Putting more cash down reduces borrowing costs, but it also ties up more of your savings in an illiquid asset and reduces the emergency cash buffer available for unexpected expenses. Many financial advisors suggest weighing the interest saved by a larger down payment against the value of keeping a healthy emergency fund and not overextending your available cash — a decision this calculator can help inform by showing the numbers clearly, but which ultimately depends on your full financial picture.
Comparing a few different down payment percentages side by side — as the quick comparison table in this tool does — is a useful way to see the trade-off concretely before committing to a number, rather than anchoring on a single round figure like "20%" without checking what the alternatives would actually look like in dollar terms.
A down payment is the portion of a purchase price you pay upfront in cash, with the remaining balance typically financed through a loan. It's most commonly discussed for homes and cars, but the same idea applies to any large purchase made partly with financing.
It depends on the lender, loan type, and your own financial goals — common reference points are around 20% for a conventional home purchase (to avoid extra insurance requirements in many markets) and 10-20% for a car, but requirements vary widely by country and lender. This calculator shows you the amounts at several common percentages so you can compare.
Both give the same result from different starting points. Choose "% Percentage" if you know the percentage you want to put down (like 20%), or "Fixed amount" if you already know the exact cash amount you plan to pay upfront — the calculator converts between the two automatically.
A larger down payment reduces the amount you need to finance, which generally lowers the monthly payment on the remaining loan, assuming the same interest rate and loan term. It also reduces the total interest paid over the life of the loan, since interest is calculated on a smaller remaining balance.
Yes. The math is the same for any purchase where you pay part of the price upfront and finance the rest — equipment, land, or any other large purchase.