Mortgage & real estate

Down Payment Calculator

Work out the upfront down payment on a home from the purchase price and the down payment percentage.

  • Free
  • No sign-up
  • Updated for 2026

Your purchase

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Enter the price and percentage to see the down payment.

Worked example

With these example inputs:

  • Purchase price$400,000
  • Down payment percent20%

Down payment: $80,000

  • Base amount$400,000

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What this down payment calculator does

This calculator works out your home down payment. You enter the home price and a percentage. The tool then shows the cash you need upfront. It also shows the loan amount that remains. You can test different deposit sizes. The aim is a deposit that fits your savings. The result helps you set a clear target.

Why the down payment matters

The down payment is the cash you pay upfront. It lowers the amount you need to borrow. A larger deposit means a smaller mortgage. That smaller loan means lower monthly payments. It can also unlock a better interest rate. The deposit shapes the whole cost of the home. It is one of your strongest levers.

How much should you put down

There is no single right amount. A larger deposit lowers your loan and payments. A smaller deposit lets you buy sooner. Your savings and goals decide the balance. Keep some cash back for other costs. Do not drain your emergency fund for it. Aim for a figure you can reach safely.

The 20% benchmark and PMI

Many buyers aim for a twenty percent deposit. This level often avoids extra insurance. A smaller deposit may add mortgage insurance. That insurance protects the lender, not you. It raises your monthly cost until you build equity. Twenty percent is a target, not a rule. Buying with less is still possible.

Saving for your down payment

Start with a clear savings target. Break it into a monthly amount. Set up an automatic transfer each payday. Keep the money in a safe, separate account. A high-interest savings account works well here. Send any windfall straight to the goal. Steady saving builds the deposit over time.

Down payment versus other costs

The deposit is not the only upfront cost. You also pay closing or legal fees. There may be taxes and survey costs. Moving and early repairs add up too. Budget for these alongside the deposit. Do not spend every last coin on the deposit. A buffer keeps the move stress free.

How to use it

Enter the price of the home you want. Add the deposit percentage you plan to pay. Read the cash needed and the loan amount. Then try a larger percentage and compare. Watch the loan and payment fall. Pick a deposit your savings can support. Leave room for the other upfront costs.

Bigger versus smaller deposit

A bigger deposit lowers your loan and interest. It can also improve your rate. A smaller deposit lets you buy earlier. It leaves more cash in your pocket too. Each choice has clear trade-offs. Weigh the monthly saving against waiting longer. The calculator makes the difference easy to see.

Common mistakes to avoid

A common mistake is spending all your savings. Another is forgetting the costs beyond the deposit. Some skip the emergency fund to buy sooner. That leaves no cushion for surprises. Others stretch to a deposit they cannot reach. Set a realistic target and save steadily. A careful plan avoids these traps.

A quick example

Imagine a home at a set price. A ten percent deposit needs a certain amount of cash. A twenty percent deposit needs double that. The larger deposit cuts the loan in turn. It also lowers the monthly payment. Try both levels in the calculator. The right one fits your savings and timeline.

A final tip

Set a clear deposit target and save toward it. Keep the money safe and separate from daily cash. Do not forget the costs that come after the deposit. Leave an emergency fund in place after you buy. Choose a deposit that fits your savings, not the maximum. A calm budget makes the whole purchase easier.

Frequently asked questions

How much should I put down?

A larger down payment lowers the loan and the monthly payment. Many buyers aim for 20% to avoid mortgage insurance, but lower amounts are common.

What does the rest become?

The price minus the down payment is the amount you finance with a mortgage, which then sets the loan size and your repayments.