Save for a House Down Payment Calculator: Monthly Target + Cash to Close

Buying a house starts with a number that sounds simple.

“How much do I need for the down payment?”

Then the real world walks in wearing shoes in the house. Closing costs. PMI. Moving costs. The emergency fund you still need after closing. Suddenly the down payment is not one number. It is a whole little committee.

This calculator helps you turn that committee into one monthly savings target.

Use the embedded down payment savings calculator above to enter your total cash goal, how much you already saved, and your deadline. It will show what to save each month, each week, and each paycheck.

Quick answer: how much should you save each month for a house?

Use this simple formula:

Monthly savings target = cash target minus current savings, divided by months left.

Cash target means the money you want ready before you buy. For a house, that usually means down payment plus closing costs.

Closing costs are the fees paid when the home purchase closes. Think lender fees, title fees, taxes, insurance setup, and other paperwork toll booths. Very official. Very not free.

Here is the clean version.

If you want to buy a $350,000 home with 10% down, the down payment is $35,000. If you plan for 3% closing costs, that adds $10,500.

Your total target is $45,500.

If you already saved $8,000, you still need $37,500. Over 36 months, that is $1,042 per month.

That is the point of the calculator. It turns “someday house” into “this much per month.” Money gets less spooky when it has a calendar.

Use the down payment calculator first

Start with the calculator above.

Enter your total target as the cost. If you do not know it yet, use down payment plus closing costs.

Then enter your deadline. A 3-year goal is 36 months. A 2-year goal is 24 months. Time is not just time here. Time is the thing that decides whether your monthly target feels possible or like financial CrossFit.

Use this example in the calculator:

• Goal: $40,000
• Current savings: $0
• Deadline: 36 months

The result is $1,112 per month. That is also about $257 per week or $514 per biweekly paycheck.

Now change only one number.

If you already saved $10,000, the remaining goal drops to $30,000. Over 36 months, that is $834 per month.

Same house dream. Different pressure on your paycheck.

Down payment is not the whole cash target

The down payment is the part of the home price you pay upfront.

If the home costs $350,000 and you put 10% down, your down payment is $35,000.

But that is not all the cash you may need.

Closing costs often run about 2% to 5% of the home price. Use that as a planning range, not a promise. Lenders and states love variety. It keeps everyone humble.

For a $350,000 home, 3% closing costs are $10,500.

So the better target is not just $35,000. It is $45,500.

That matters because missing closing costs can wreck a plan that looked fine. Nobody wants to be three weeks from closing and discover the budget had a trap door.

Example monthly savings targets by home price

These are planning examples. Your lender, location, loan type, and taxes can change the final number.

Home price	Plan	Saved now	Deadline	Cash target	Save each month
$250,000	3.5% down + 3% closing costs	$3,000	24 months	$16,250	$553
$300,000	10% down + 3% closing costs	$5,000	36 months	$39,000	$945
$350,000	10% down + 3% closing costs	$8,000	36 months	$45,500	$1,042
$400,000	20% down + 3% closing costs	$10,000	48 months	$92,000	$1,709

The table tells an uncomfortable truth.

Home prices do not politely ask your savings account how it feels. A bigger home or shorter deadline raises the monthly target fast.

That is not meant to shame you. It is meant to give you control. Once you see the number, you can change the plan.

You can buy a lower-priced home. You can extend the deadline. You can use a lower down payment loan. You can save tax refunds or bonuses. You can also decide that the target is too tight right now.

That last one is not failure. That is math doing its job before a lender does it for you.

Is 20% down required?

No. You do not always need 20% down to buy a house.

Some conventional loans allow lower down payments. FHA loans may allow 3.5% down for qualified buyers. VA and USDA loans may allow 0% down for some buyers.

That sounds wonderful until the other bill enters the chat.

A lower down payment can mean a bigger loan and a higher monthly mortgage payment. It can also mean PMI.

PMI means private mortgage insurance. It is an extra monthly cost that protects the lender if you stop paying. Notice who it protects. Not you. Finance has jokes. They are just expensive.

A 20% down payment can help you avoid PMI on many conventional loans. But waiting for 20% can take years.

So the real question is not “Is 20% good?”

Of course it is good. Free cake is also good.

The better question is: Does saving 20% help more than buying sooner with a smaller down payment?

That depends on your rent, home prices, mortgage payment, job stability, and emergency fund.

Use the calculator to test both paths.

For a $300,000 home, 20% down is $60,000. Add 3% closing costs, and the cash target becomes $69,000.

With $5,000 saved and a 36-month deadline, you need $1,778 per month.

For 10% down plus 3% closing costs, the target is $39,000. With the same $5,000 saved, you need $945 per month.

That gap is not small. It is $833 per month. That is a car payment, groceries, or one very opinionated daycare bill.

How current savings changes your monthly target

Current savings matters because every dollar already saved is a dollar your future paycheck does not need to carry.

Take the $45,500 target again.

If you have $0 saved and want to buy in 36 months, you need $1,264 per month.

If you have $8,000 saved, you need $1,042 per month.

If you have $20,000 saved, you need $709 per month.

Same target. Same deadline. Very different stress level.

This is why the calculator asks for current savings. It is not a cute extra field. It changes the whole plan.

If your monthly target is too high, try these moves:

• Add 6 to 12 months to the deadline.
• Lower the home price range.
• Compare 5%, 10%, and 20% down.
• Save windfalls, refunds, and bonuses.
• Keep the money in a separate account.
• Check down payment assistance programs in your state.

The separate account matters. If your down payment lives in your normal checking account, it starts paying for tacos, subscriptions, and “just this once” Target trips. Money without a fence tends to wander.

How to tell if your target is realistic

A savings target is realistic if it survives a normal month.

Not a perfect month. Not the month where your car behaves, no one needs dental work, and groceries remember how to be cheap.

A normal month.

If the calculator says $1,042 per month, compare that to your take-home pay. Take-home pay means the money that hits your account after taxes and payroll deductions.

If you bring home $5,000 per month, $1,042 is about 21% of take-home pay.

That might work if your rent, debt, car, food, and child costs are under control. It might not work if your budget is already doing yoga in a closet.

Use this test:

After saving for the house, can you still pay bills, avoid credit card debt, and keep emergency savings?

If yes, the plan may work.

If no, change the plan before the plan changes you.

What to check next

Before you fall in love with a listing, check five things.

First, estimate the mortgage payment. The down payment only gets you in the door. The monthly payment keeps you there.

Second, include taxes and insurance. A mortgage without taxes and insurance is like a menu price without tax and tip. Cute, but not the bill.

Third, keep an emergency fund after closing. Do not hand every dollar to the house. Houses are famous for breaking things right after you buy them. It is their love language.

Fourth, ask a lender about closing costs and loan options. Get numbers before you treat any estimate as final.

Fifth, run your monthly budget. If the savings target and future mortgage both fit, you are planning like an adult. Annoying, but powerful.

Frequently asked questions

How much should I save for a house down payment?

Start with the home price and down payment percent.

For a $300,000 home, 10% down is $30,000. Add 3% closing costs, or $9,000, and the target becomes $39,000.

If you have $5,000 saved, you need $34,000 more.

How much do I need for a $300,000 house?

A 3.5% down payment is $10,500. Add 3% closing costs, and the total cash target is about $19,500.

A 10% down payment is $30,000. Add 3% closing costs, and the target is about $39,000.

A 20% down payment is $60,000. Add 3% closing costs, and the target is about $69,000.

Should I include closing costs in my savings goal?

Yes. Include closing costs unless a lender gives you a better estimate.

A down payment gets most of the attention. Closing costs still want money. Very rude, but very real.

Is 20% down required to buy a house?

No. Many buyers use less than 20% down.

The trade-off is usually a larger loan, higher monthly payment, and possible PMI. PMI is insurance for the lender, paid by you.

Should I empty my savings for a bigger down payment?

Usually no.

A bigger down payment can help. But an empty emergency fund can turn one repair into credit card debt.

If you need $45,500 to close and have $50,000 saved, do not pretend the extra $4,500 is a safety net. A water heater can eat that before breakfast.

Can gift money count toward a down payment?

Often yes, but lenders have rules.

They may need a gift letter and proof of where the money came from. Ask before moving money around.

How can I save for a down payment faster?

Use a separate account, automate transfers, save windfalls, and cut one large cost first.

Do not start with tiny guilt cuts unless they are easy. Canceling one $200 monthly expense beats lecturing yourself about $4 coffee for the next 900 years.

What if the monthly savings target is too high?

Change one lever.

Lower the home price. Use a lower down payment loan. Add more months. Increase income. Use assistance programs. Or wait.

Waiting with a plan is different from being stuck. One has a map. The other has vibes.

Related calculators

• Mortgage Calculator — estimate the full monthly house payment.
• Savings Goal Calculator — plan any savings target by deadline.
• Budget Calculator — see if the savings goal fits your real month.

The goal is not to buy the most house a lender allows.

The goal is to buy a house and still sleep like a person.