Down Payment ماشین‌حساب

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1. Home / Asset Price (﷼) را وارد کنید
2. Down Payment (%) را وارد کنید
3. روی دکمه محاسبه کلیک کنید
4. نتیجه نمایش داده شده در زیر ماشین حساب را بخوانید

How Much Down Payment Do You Need?

The down payment is the upfront cash you pay when purchasing a home or car—the difference between the purchase price and the loan amount. For conventional mortgages, the standard recommendation is 20% of the home's purchase price. On a 20,000,000,000 ﷼ home, that's 4,000,000,000 ﷼ cash. However, many loan programs allow much smaller down payments: FHA loans require just 3.5%, VA loans and USDA loans offer 0% down for eligible borrowers, and conventional loans can go as low as 3% (with PMI).

The down payment percentage determines your Loan-to-Value (LTV) ratio: LTV = Loan Amount / Home Value × 100. A 20% down payment gives an 80% LTV. Lenders use LTV to assess risk—lower LTV means less risk and typically results in better interest rates. When LTV exceeds 80%, lenders usually require Private Mortgage Insurance (PMI), an additional monthly cost of 0.5–1.5% of the loan amount per year until LTV drops below 80%.

For car purchases, typical down payments range from 10–20% of the vehicle price. Putting more down reduces your monthly payment and total interest, and reduces the risk of being 'upside down' (owing more than the car is worth) as the vehicle depreciates.

Saving for a Down Payment: Strategies and Timelines

Saving for a down payment is the primary obstacle to homeownership for most buyers. On a 20,000,000,000 ﷼ home requiring a 10% down payment (2,000,000,000 ﷼), a household saving 50,000,000 ﷼/month needs 40 months (3.3 years). With interest at 4.5% APY in a high-yield savings account, the timeline shrinks slightly, but the fundamental challenge is accumulating a large lump sum.

Effective down payment saving strategies include: Dedicated HYSA: Open a separate savings account specifically for the down payment—keeping it separate prevents temptation to spend it. Automate contributions: Set up automatic transfers on payday so the money never hits your checking account. Cut major expenses: Temporarily reduce discretionary spending or take on a side income specifically for the down payment fund. Gift funds: Many loan programs allow family members to gift all or part of the down payment (documentation required).

Down payment assistance (DPA) programs exist in most US states to help first-time buyers or those with moderate incomes. These programs offer grants, forgivable loans, or low-interest second mortgages. The National Council of State Housing Agencies maintains a directory of all state programs at ncsha.org. Many buyers leave thousands of dollars on the table by not researching DPA programs they qualify for.

20% Down: Is It Still the Gold Standard?

The 20% down payment rule originated in an era before mortgage insurance made low-down-payment loans widely available. Today, the calculus is more nuanced. Arguments for putting down 20%: No PMI (saving 5,000,000 ﷼–20,000,000 ﷼/month), lower monthly payment, better interest rates, more equity and protection against price declines, and lower total interest paid over the loan's life.

Arguments against waiting for 20%: In appreciating markets, the price increase during the extra years of saving may exceed the PMI cost. Renting while saving means paying a landlord's mortgage instead of building your own equity. Low-down-payment programs enable homeownership years earlier, with the potential for long-term wealth building through appreciation.

The decision depends on your local market, income stability, savings rate, and opportunity cost of the capital. Use our calculator to model different scenarios and compare the total cost of 5%, 10%, 15%, and 20% down payments—including PMI where applicable—to find the optimal balance for your situation.

Frequently Asked Questions