Down Payment Savings Calculator

· askdoss Editorial Team

Find out how long it will take to save for your down payment, including interest earned in a high-yield savings account.

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Time to Goal 2 years, 9 months Target: $80,000

Savings Breakdown

Already Saved $20,000
Remaining $60,000
Down Payment Needed $80,000
Already Saved $20,000
Remaining to Save $60,000
Interest Earned $2,847
Total Monthly Deposits $49,500
At $1,500/month, you'll reach your 20% down payment by January 2029.

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Last reviewed: July 3, 2026 · By the askdoss Editorial Team. This is a planning estimate, not financial advice or a quote.

This calculator estimates how much cash you’ll need up front to buy a home and how long it may take you to save it. You enter a target home price, a down-payment percentage (or dollar amount), your current savings, and how much you can set aside each month; it returns the down-payment amount, the gap you still need to close, and an estimated timeline to reach your goal. It is a planning estimate, not a loan offer or an approval — actual requirements depend on your lender, loan program, credit profile, and property.

How this calculator works

The tool takes your target purchase price and applies your chosen down-payment percentage to produce a dollar target (for example, 20% of a $400,000 home is $80,000). It then subtracts your current savings and divides the remaining gap by your monthly contribution to estimate a savings timeline. If you enter an expected return on savings, that growth is factored into the timeline.

The percentage you choose matters because loan programs set different minimums. The real minimum down payment depends on the loan type:

The 20% threshold: On a conventional loan, putting down at least 20% lets you avoid private mortgage insurance (PMI). With less than 20% down, most conventional loans require PMI until you build enough equity. (Source: Bankrate — Basics of PMI, as of 2026)

How much should you put down?

There’s no single right number — it’s a trade-off between up-front cash and ongoing cost.

  • PMI: Less than 20% down on a conventional loan usually means paying PMI. Under the federal Homeowners Protection Act, you can request PMI cancellation when your loan balance reaches 80% of the home’s original value, and your lender must automatically terminate it at 78%, provided your loan is current. (Source: NCUA — Homeowners Protection Act (PMI Cancellation Act), as of 2026)
  • Monthly payment: A larger down payment reduces your loan amount, which lowers your monthly principal and interest — and, above 20%, removes PMI from the bill.
  • Reserves: Putting every dollar into the down payment can leave you short on emergency savings, closing costs, and moving expenses. Many buyers deliberately keep a cash cushion rather than maximize the down payment.
  • Opportunity cost: Money tied up in home equity isn’t available for other goals or investments. The “best” down payment balances lower financing costs against keeping cash accessible.

Down-payment assistance

You may not have to save the full amount yourself. Down-payment assistance (DPA) programs — offered by state housing finance agencies, counties, cities, and some nonprofits and lenders — can provide grants or second loans toward your down payment and closing costs. Availability, eligibility, and terms vary widely by location and program.

We don’t list specific programs here because they change often and are location-specific. Start with these official directories:

Confirm current details directly with the program administrator or a HUD-approved housing counselor before relying on any assistance.

Frequently Asked Questions

Is a 20% down payment required to buy a home?

No. 20% is the threshold to avoid PMI on a conventional loan, not a requirement to buy. Conventional loans can start as low as 3%, FHA at 3.5%, and VA and USDA loans at 0% for eligible buyers. (Source: AmeriSave — How Much Down Payment Do You Need, as of 2026)

What is PMI?

Private mortgage insurance protects the lender if you default. It’s typically required on conventional loans with less than 20% down and is added to your monthly payment. It can be cancelled by request at 80% LTV and is automatically terminated at 78% LTV under the Homeowners Protection Act. (Source: Bankrate — Basics of PMI, as of 2026)

Can I use gift funds for my down payment?

Many loan programs allow gift funds from an eligible donor (often a family member) toward your down payment, subject to program rules and documentation such as a signed gift letter. Requirements differ by loan type, so confirm with your lender. (Source: Fannie Mae — Private Mortgage Insurance / homebuying guidance, as of 2026)

What down-payment options exist for first-time buyers?

First-time buyers may qualify for low-down-payment conventional programs (HomeReady, Home Possible) and for down-payment assistance through state and local agencies. Check HUD and your state HFA for current programs. (Source: The Mortgage Reports — FHA vs Conventional 97, as of 2026)

Can I buy with no money down?

Yes, if you qualify for a VA loan (eligible veterans/service members) or a USDA loan (eligible rural buyers within income limits), which allow 0% down. (Source: Neighbors Bank — USDA vs FHA, VA and Conventional, as of 2026)

How is PMI cancelled?

You can request cancellation once your balance reaches 80% of the home’s original value with a good payment history; your lender must automatically end it at 78%. (Source: NCUA — Homeowners Protection Act, as of 2026)

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