Down Payment Calculator (USA)
Estimate your target down payment, projected savings growth, and how long it will take to reach your goal with your current plan.
| Month | Contribution | Interest | Balance | % of Goal |
|---|---|---|---|---|
| Calculate to see projection | ||||
PDF export includes up to 120 months. Blue rows = start of each year.
How to Use the Down Payment Calculator
Building a realistic savings plan takes less than two minutes. Follow these four steps and the calculator will show your target down payment, exact savings timeline, monthly savings needed, and projected balance at your goal date — instantly.
Enter Your Home Price & Down Payment %
Type in the purchase price of the home you’re targeting — or use the slider to explore a range. Then set your down payment percentage. The calculator instantly shows your PMI risk status if you’re below 20% and updates the loan amount and LTV in real time.
Enter What You’ve Already Saved
Input the amount you’ve already set aside specifically for a down payment. This becomes your starting balance. If you’re starting from zero, leave it at $0 — the calculator will show exactly how long it takes to reach your goal from scratch.
Set Your Monthly Savings & Return Rate
Enter how much you plan to contribute each month toward the down payment. Then set your expected annual return — typically 2–5% for a high-yield savings account or money market fund. The calculator compounds this monthly to project your realistic balance over time.
Review Your Plan & Download the PDF
Instantly see how long it takes to reach your goal, whether your current savings rate is on track, how much your projected balance at your target date compares to the goal, and a full month-by-month projection table. Download the two-page PDF to take to your lender or financial advisor.
What This Down Payment Calculator Accounts For
Most savings tools give you a single number and stop there. Ours gives you a full savings roadmap — timeline to goal, monthly savings required, projected balance, PMI exposure, savings progress bars, interactive charts, and a professionally formatted PDF report.
Time to Reach Your Goal
The calculator computes the exact number of months needed to accumulate your target down payment based on your current savings balance, monthly contributions, and annual return. Adjust any input and the timeline updates instantly.
Monthly Savings Needed & On-Track Status
Set a target timeline (e.g. 3 years) and the calculator shows exactly how much you need to save each month to hit your goal by that date — then compares it to what you’re actually saving. The “vs. current savings” card turns green (ahead), red (behind), or neutral in real time.
PMI Risk Detection
If your down payment percentage falls below 20%, a PMI warning badge appears automatically. The calculator flags the PMI risk inline so you can immediately model what happens if you save to 20% down and avoid the additional insurance cost entirely.
Savings Growth Chart vs. Goal Line
A line chart shows your projected savings balance year by year against a flat orange goal line. You can instantly see exactly when your savings curve crosses the goal — and how wide the gap is at any point. A doughnut chart shows how much of the goal you’ll reach by your target date.
Month-by-Month Projection Table
Expand the accordion to reveal a complete monthly savings projection — showing contribution, interest earned, ending balance, and percentage of goal reached for each month. Blue rows highlight the start of each year for easy scanning. The PDF export covers the full 120 months.
Two-Page PDF Report
Download a professionally formatted PDF with your target down payment hero card, purchase details table, savings plan summary, timeline & targets section, 6 summary cards, savings progress bars, and a full 120-month projection table on page two — ready to share with your lender.
U.S. Down Payment Facts at a Glance
How Different Savers Use This Calculator
Your down payment journey is unique. Here’s how three types of buyers get the most value out of this tool — and what each should focus on.
First-Time Buyer
Building a savings plan from scratchYou haven’t bought before and want to understand exactly how much you need to save, how long it will take at your current pace, and whether you should aim for 5%, 10%, or 20% down — before you commit to any price range.
- Start by entering the price of homes you’re genuinely interested in — not a guess
- Try 5%, 10%, and 20% down to see how each affects PMI exposure and loan size
- Set your target timeline to 2–3 years and let the calculator tell you the required monthly savings
- Download the PDF to use as a savings accountability document — revisit it every quarter
Repeat Buyer Using Equity
Modelling proceeds + top-up savingsYou’re selling your current home and plan to roll the equity proceeds into the down payment on your next purchase. You want to see how much additional savings you need to bridge the gap between your net proceeds and your target down payment.
- Enter your estimated net sale proceeds in the “Already saved” field as a starting balance
- Set your target home price and down payment percentage to reveal the gap immediately
- Use the monthly savings field to model how quickly you can cover any shortfall before closing
- Adjust the timeline slider to match your expected closing date on the new property
PMI Elimination Planner
Optimising down payment to avoid PMIYou could buy now with less than 20% down, but you want to understand the true cost of PMI over time — and how long it would take to save up to the 20% threshold to avoid it entirely and potentially qualify for a lower interest rate.
- Set down payment to your current amount (e.g. 10%) to see the PMI warning and loan size
- Then change down payment to 20% and observe the jump in savings needed and timeline
- Compare: is the extra months of saving worth more than monthly PMI costs over several years?
- Use the line chart to see exactly when your savings would cross the 20% mark
7 Proven Strategies to Save Your Down Payment Faster
Reaching your down payment goal faster isn’t just about earning more — it’s about removing friction, automating savings, and optimising where your money is held. These seven strategies can shave months or years off your timeline.
Open a Dedicated High-Yield Savings Account
Keeping down payment savings in a separate high-yield savings account (HYSA) serves two purposes: it removes the temptation to spend the funds and earns 4–5% APY (as of 2024–2025) versus the near-zero rate of a standard savings account. On a $30,000 balance, the difference is roughly $1,200–$1,500 per year in interest earned.
Automate Your Monthly Contribution
Set up an automatic transfer on payday — before the money hits your main checking account. Automating removes the decision entirely, making saving the default rather than the exception. Even a modest automatic transfer of $500/month compounds meaningfully over 3–5 years, especially in a high-yield environment.
Direct All Windfalls Straight to the Down Payment Fund
Tax refunds, work bonuses, overtime pay, freelance income, gifts, and inheritances are the fastest way to bridge a savings gap without changing your monthly budget. A single $5,000 tax refund directed to your down payment fund instead of discretionary spending can advance your timeline by months.
Eliminate or Reduce One Major Monthly Expense
Identify one recurring expense that, if cut, would meaningfully increase your monthly savings rate. Car payment refinance, moving to a lower-rent apartment, cancelling underused subscriptions, or temporarily suspending retirement contributions above the employer match can free up $200–$600/month — which compounds dramatically over a 3-year savings window.
Research Down Payment Assistance Programs
Most U.S. states and many counties offer first-time buyer programs that provide grants (free money, not a loan) of 3–5% of the purchase price. Income limits and property price caps apply, but many programs cover buyers earning up to 120% of area median income. A $15,000 grant on a $400,000 purchase eliminates nearly two years of saving at $700/month.
Consider a Shorter-Term CD Ladder for Predictable Returns
If your purchase is 12–24 months away, a CD (certificate of deposit) ladder can lock in a higher fixed rate than a standard savings account. Structure CDs to mature every 3–6 months so funds stay accessible. CDs are FDIC-insured and eliminate the volatility risk of any market-linked investment — critical for money you cannot afford to lose before closing.
Model a Lower Down Payment With a Path to PMI Cancellation
Buying with 10% down and PMI isn’t always a mistake. If home prices in your market are rising quickly, getting into a property sooner — and building equity faster — may outweigh the cost of PMI. Use this calculator to model both scenarios: save longer for 20% down versus buying sooner at 10% and requesting PMI cancellation once you reach 20% equity through appreciation and paydown.
Down Payment Calculator — FAQ
Real questions from U.S. home buyers — answered plainly.
PMI is automatically cancelled by federal law once your loan balance reaches 78% of the original purchase price. You can also request cancellation once you reach 20% equity through paydown or home value appreciation.
Avoid investing down payment funds in stocks or equity funds — a market downturn right before your purchase window can dramatically reduce your available balance. This calculator’s annual return field lets you model realistic HYSA and money market yields to get a conservative, credible projection.
Down payment assistance does not replace the need to save, but it can significantly reduce the gap. Use the “Already saved” field in this calculator to model how a grant reduces your remaining savings timeline.
FHA allows 100% of the down payment to come from a gift from an acceptable donor. Always verify the specific requirements with your lender, as gift sourcing rules are strictly enforced during underwriting.
Important disclaimer: All calculations provided by this tool are for educational and estimation purposes only and do not constitute financial, legal, or mortgage advice. Down payment requirements, PMI thresholds, loan program guidelines, and lender requirements change periodically and vary significantly by lender, loan type, credit profile, and individual borrower circumstances. Results shown assume standard program parameters and do not account for closing costs, prepaid items, reserve requirements, or other funds required at closing. A savings projection from this tool does not guarantee loan approval or reflect actual market conditions. Always consult a licensed mortgage lender, loan officer, or financial advisor and obtain a formal Loan Estimate before making any financial decisions. HomeExpertly is not a lender, broker, or financial advisor.
