What This Calculator Estimates
A down payment is the upfront portion of a purchase price paid in cash, with the remainder typically financed through a loan — larger down payments generally reduce monthly payments, total interest paid, and (for mortgages) can help avoid additional costs like private mortgage insurance. This calculator estimates the down payment amount and resulting loan amount based on the purchase price and down payment percentage you provide.
Formula / Method Used
Down Payment = Home Price × (Down Payment % ÷ 100). Loan Amount = Home Price − Down Payment.
Worked Example
A $350,000 home with a 10% down payment requires $35,000 down, leaving a $315,000 loan amount.
How to Interpret the Result
Compare the down payment amount against your available savings. Remember that below 20% down typically triggers PMI, which adds to your monthly payment.
Common Mistakes
- Forgetting closing costs are separate from the down payment.
- Not accounting for PMI when putting down less than 20%.
- Draining all savings for the down payment with nothing left for moving or repairs.
- Assuming every loan program requires the same minimum percentage.
Related Calculators
Tips for a More Accurate Estimate
- Check specific loan program minimum down payment requirements before assuming a standard percentage.
- Consider whether a larger down payment helps you avoid costs like private mortgage insurance.
- Balance down payment size against maintaining an emergency fund and other financial priorities.
- Compare how different down payment amounts affect your monthly payment and total interest.
- Factor in closing costs and other upfront expenses beyond just the down payment itself.
Frequently Asked Questions
Why does a larger down payment generally benefit the buyer?
A larger down payment reduces the amount financed, which lowers monthly payments and total interest paid, and for mortgages specifically, can help you avoid private mortgage insurance if you reach certain equity thresholds.
What's a typical down payment percentage for a mortgage?
This varies by loan type and lender — some conventional loans allow lower percentages, while others may require more, and government-backed loan programs often have their own specific minimums.
Does a smaller down payment mean I can't get approved for a loan?
Not necessarily — many loan programs allow smaller down payments, though this may come with additional costs like mortgage insurance or slightly different rate terms.
How does down payment size affect auto loans differently than mortgages?
Similar principles apply (lower amount financed, less interest), though auto loans generally don't have the private mortgage insurance consideration that mortgages do.
Should I use all my savings for the largest possible down payment?
Not necessarily — maintaining an emergency fund and other financial priorities should be weighed against the benefits of a larger down payment, since it's not always optimal to use every available dollar.
Last updated: July 2026