Mortgage example · Educational math
What is the payment on a $400,000 home at 6.5% for 30 years with 20% down?
Stated sample price and rate—not a loan offer.
Calculator · How we calculate · Questions
Direct answer
Direct answer (stated sample only): On a $400,000.00 home with $80,000.00 down (20.0%), loan amount $320,000.00, sample 6.5% rate, and 30-year term, Nestfigure’s model shows about $2,022.62 principal and interest per month and about $408,142.36 total interest. Not a lender quote or pre-approval.
Compare sample terms
Same price ($400,000.00), down payment ($80,000.00), and rate (6.5%).
| Term | P&I / mo | Total interest |
|---|---|---|
| 15 yr | $2,787.54 | $181,757.84 |
| 20 yr | $2,385.83 | $252,600.17 |
| 30 yr | $2,022.62 | $408,142.36 |
Educational fixed-rate estimate only. Not a lender quote, pre-approval, PMI calculation, or escrow analysis. Real mortgages may include fees, insurance, and different day-count rules.
Balance over time
Selected monthsCompare loan terms
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Amortization schedule
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Related
Common questions
What is the principal-and-interest payment on a $400,000 home with 20% down at a sample 6.5% rate for 30 years?
Direct answer (stated sample only): On a $400,000.00 home with $80,000.00 down (20.0%), loan amount $320,000.00, sample 6.5% rate, and 30-year term, Nestfigure’s model shows about $2,022.62 principal and interest per month and about $408,142.36 total interest. Not a lender quote or pre-approval.
Is this rate available today?
No. Sample rates are illustrative inputs so the math is transparent.
How do I change the numbers?
Open the prefilled mortgage calculator and edit price, down payment, rate, term, or optional housing costs.
Educational only. Last reviewed: August 9, 2026.