Down Payment Calculator

See your down payment, loan amount, closing costs and the total cash you need to buy a home. Enter the price and percentage down, then press Calculate.

Written by TopicDrill Editorial Team·Updated June 2026

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How the price splits

Down payment $70,000Loan amount $280,000

How the down payment calculator works

Your down payment is simply the home price multiplied by the percentage you choose to pay up front. Whatever is left becomes the loan. The calculator also estimates closing costs as a percentage of the price, then adds them to the down payment so you can see the full amount of cash you need at the table.

The split bar shows how much of the price you cover with cash versus how much you borrow. Putting more down shrinks the orange loan portion and lowers both your monthly payment and the interest you pay over the life of the loan.

Why 20% matters

On most conventional loans, a down payment of 20% or more lets you skip private mortgage insurance, which can save a meaningful amount each month. The calculator flags when your percentage falls below that threshold. Once you know your loan amount, estimate the payment with our mortgage calculator.

Things to keep in mind

Closing costs and down payment requirements vary by loan type and lender, so treat these numbers as a planning estimate. For guidance on saving for a home, the Consumer Financial Protection Bureau is a reliable source. Browse all of our free calculators for more.

Frequently asked questions

How is a down payment calculated?

Multiply the home price by your down payment percentage. A 20% down payment on a $350,000 home is $70,000. The rest, $280,000, becomes the loan amount you borrow from a lender.

How much should I put down on a house?

A 20% down payment is a common target because it lets you avoid private mortgage insurance on most conventional loans. Many buyers put down less, sometimes as little as 3% to 5%. A larger down payment lowers your loan, your monthly payment and your total interest.

What are closing costs?

Closing costs are the fees paid to finalise a home purchase, such as lender fees, title insurance, appraisal and taxes. They often run about 2% to 5% of the price and are paid on top of your down payment, so budget for both.

What is loan to value (LTV)?

Loan to value is the loan amount divided by the home price, shown as a percentage. A $280,000 loan on a $350,000 home is an 80% LTV. Lenders use LTV to gauge risk, and a lower LTV usually means better terms and no mortgage insurance.

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