Down Payment Calculator

Calculate your down payment amount for any home price and percentage. See PMI thresholds and a savings timeline to reach your target.

$
%
$
$
Down Payment
$35,000.00
10.0% of home price
Loan Amount
$315,000.00
Principal borrowed
PMI Required
Yes
Below 20% — PMI will apply
Time to Save
17 months
1.4 years — $25,000.00 remaining

Down Payment Comparison

Down %Down PaymentLoan AmountPMI
3%$10,500.00$339,500.00Required
5%$17,500.00$332,500.00Required
10%$35,000.00$315,000.00Required
15%$52,500.00$297,500.00Required
20%$70,000.00$280,000.00Not required
Planning notes, formulas, and examples

About the Down Payment Calculator

The down payment is the cash you pay upfront when purchasing a home. It directly reduces the amount you need to borrow — a larger down payment means a smaller mortgage, lower monthly payments, and less interest paid over the life of the loan.

The magic threshold is 20 percent. Put down at least 20% and you avoid Private Mortgage Insurance (PMI), saving hundreds of dollars per month. Below 20%, lenders require PMI to protect themselves against default risk, adding a significant recurring cost.

This Down Payment Calculator shows the dollar amount for any home price and percentage, flags whether PMI applies, and estimates how long it will take to save your target amount based on your monthly savings rate. Planning ahead makes homeownership achievable. While 20% down avoids private mortgage insurance, many programs accept as little as 3% or even 0% for qualified buyers. The tradeoff between a larger down payment and keeping cash reserves for emergencies and moving costs deserves careful analysis.

When This Page Helps

Knowing exactly how much you need gives you a concrete savings goal. This calculator shows dollar amounts at different percentages so you can weigh the trade-offs — a smaller down payment gets you into a home sooner, but a larger one saves money on PMI and interest. The savings timeline keeps your plan on track.

How to Use the Inputs

  1. Enter the home price you are targeting.
  2. Set your desired down payment percentage (common values: 3%, 5%, 10%, 20%).
  3. Review the down payment amount and whether PMI will be required.
  4. Enter your current savings and how much you can save per month.
  5. Check the timeline showing how many months until you reach your goal.
  6. Adjust the percentage up or down to see how it affects the timeline and PMI status.
Formula used
Down Payment = Home Price × (Percentage ÷ 100). Loan Amount = Home Price − Down Payment. PMI Required = Percentage < 20%. Months to Save = (Down Payment − Current Savings) ÷ Monthly Savings.

Example Calculation

Result: $35,000 down payment — 17 months to save (PMI required)

At 10% down on a $350,000 home, you need $35,000. With $10,000 already saved and adding $1,500 per month, you need $25,000 more — about 17 months. At 10% down, PMI will be required until you reach 20% equity in the home.

Tips & Best Practices

  • Many first-time buyer programs accept 3–5% down — you do not always need 20%, though it saves money long-term.
  • Factor in closing costs (typically 2–5% of home price) on top of your down payment savings goal.
  • FHA loans require as little as 3.5% down, and VA loans require zero down for eligible veterans.
  • PMI typically costs 0.5–1.5% of the loan amount per year — factor this into your affordability analysis.
  • Consider keeping an emergency fund separate from your down payment savings — do not drain all savings for the purchase.
  • Some employers and local governments offer down payment assistance programs — research options in your area.

Common Down Payment Percentages

Three percent down is the minimum for conventional loans (Fannie Mae and Freddie Mac programs). FHA loans require 3.5%. These low-down-payment options help first-time buyers, but they come with PMI and higher monthly costs. At 10% down, PMI costs are lower. At 20%, PMI is eliminated entirely.

The Savings Timeline

Building a down payment takes discipline. Set up automatic transfers to a dedicated savings account. Track your progress monthly. If the timeline is too long, consider a less expensive home, a lower down payment percentage, or ways to increase your savings rate.

Beyond the Down Payment

Remember that the down payment is not your only upfront cost. Closing costs (2–5% of purchase price), moving expenses, initial repairs, and furnishing all require cash. Build a comprehensive budget that covers everything — not just the down payment.

Sources & Methodology

Last updated:

Methodology

This worksheet multiplies the entered home price by the selected down-payment percentage to compute the cash down payment and subtracts that amount from the purchase price to estimate the loan amount. It also flags the conventional 20% threshold used as the default PMI indicator and, when current savings and monthly savings are entered, estimates the months required to close the remaining savings gap using a simple monthly-savings timeline.

The page is a planning worksheet rather than loan advice. Actual required down payments, mortgage insurance rules, program eligibility, and closing cash needs vary by lender and loan type, so users should treat the output as an estimate to compare scenarios rather than a final underwriting answer.

Sources

  • Your Home Loan Toolkit (Consumer Financial Protection Bureau) — Official CFPB home-buying guide covering down payments, mortgage insurance, and upfront home-purchase costs.
  • FHA-insured mortgages (U.S. Department of Housing and Urban Development) — Official FHA program context for lower-down-payment mortgage options.
  • VA home loans (U.S. Department of Veterans Affairs) — Official VA loan context for eligible zero-down purchase financing.

Frequently Asked Questions

  • The ideal amount depends on your situation. Putting 20% down avoids PMI and reduces your loan amount significantly. However, many buyers put down 5–10% to buy sooner. First-time buyer programs accept as little as 3%. The key is balancing getting into a home quickly versus minimizing long-term costs.