Mortgage Calculator: Here’s How Much You Need To Buy a $430K Home at a 6.47% Rate

The average rate for a 30-year fixed mortgage fell to 6.47% for the week ending June 18, a 5 basis-point decrease from the previous week's 6.52%, according to Freddie Mac. This current rate is lower than the 6.81% average observed during the same period in 2025, offering a slight reprieve to potential homebuyers. Using the Realtor.com® mortgage calculator, a home priced at $429,500 with a 20% down payment of $85,900 would result in a loan of $343,600. At the 6.47% interest rate, the monthly principal and interest payment is approximately $2,165, an $11 reduction from the prior week's $2,176. This is also $77 less per month compared to the 6.81% rate in June 2025, which would have resulted in a $2,242 monthly payment. For buyers utilizing FHA loans with a 3.5% down payment on the same $429,500 home, the financed amount is approximately $414,468. The monthly principal and interest payment at 6.47% is about $2,612, a $13 decrease from last week's $2,625. Compared to the 6.81% rate in June 2025, which would have cost $2,705 monthly, FHA borrowers now save $93 each month. Further savings are evident when comparing to the peak rate of 7.79% in October 2023, where the monthly payment for this loan amount reached $2,981, resulting in current monthly savings of $369.