Financial Calculators
Down Payment Calculator
Calculate a home down payment and estimated loan amount from price and down payment percentage locally in your browser.
Enter the home price and the down payment share (blank means the common 20% guideline) to see the down payment and estimated loan amount. This calculator runs privately in your browser; your numbers are not uploaded or stored.
See the upfront cost before you house hunt.
Enter the home price and the down payment share, blank for the common 20% guideline, to see the down payment and estimated loan amount. This private browser estimate is for general planning only, not financial advice; your values are not uploaded or stored.
Frequently Asked Questions
Everything you need to know about this tool, how it works, and privacy.
What formula does the down payment calculator use?
It uses down payment = home price x (down payment percent / 100) and estimated loan amount = home price - down payment. For example, a $350,000 home at 20% gives a $70,000 down payment and a $280,000 estimated loan amount.
What down payment percentage should I use?
Leave the percentage blank for the common 20% guideline, or enter your own value from 0% to 100%. Lender minimums, mortgage insurance rules, and personal savings can differ, so treat the result as a planning starting point.
Which inputs are accepted?
Enter a home price greater than zero through 1000000000 and an optional down payment percentage from 0% to 100%. Displayed amounts are rounded to two decimal places.
Do my values stay private, and is this financial advice?
Yes. The calculation and copy action run locally in your browser. CodeASystem does not upload or store the values you enter. This is a general planning estimate, not financial, lending, or housing advice.