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Down payment savings calculator

How many months until you can buy? Enter your target price, what you've saved, and what you can set aside each month to see your timeline, including the return your savings earn along the way.

Inputs
Target
$
%
Savings
$
$
%
Time to your down payment
52 moAbout 4.3 years

You need $70,000 more. At $1,200/mo with a 4% return, you'll hit $85,000 in about 52 months.

Target down payment$85,000
Still needed$70,000
Months to goal52
The idea

How the timeline is projected

target = home price × down payment %
balance grows monthly = (balance × (1 + rate)) + contribution

This compounds your current savings plus each month's contribution at the return rate you enter, month by month, until the balance crosses your target: the same way a savings account or short-term investment actually grows. The monthly contribution moves the timeline far more than the return rate does; a modest return matters at the margins, but the habit of saving consistently is what gets you there.

Questions

Down payment questions

How long will it take to save for a down payment?

Divide what you still need by your monthly savings rate, adjusted for any return your savings earn along the way. A high-yield savings account or short-term investment return shortens the timeline modestly; the monthly contribution amount is what moves it the most.

Does a smaller down payment always mean I can buy sooner?

It gets you to closing faster, but a down payment under 20 percent on a conventional loan usually adds private mortgage insurance and can affect your rate, raising the monthly payment for as long as you hold the loan. Compare the time saved against that ongoing cost: the PMI calculator quantifies it.

Where should down payment savings sit?

Money you'll need within a few years is generally kept somewhere principal-safe, a high-yield savings account or short-term instrument, rather than in the market, since a downturn right before you need the cash can set your timeline back by years, not months.

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