Mortgage Calculator: Here’s How Much You Need To Buy a $430K Home at a 6.67% Rate

Mortgage rates eased off their one-year highs this week, as markets continue to await signs of a resolution to the Iran war and normalization of global oil prices. The average rate on 30-year fixed home loans dipped to 6.67% for the week ending Aug. 13, down 2 basis points from 6.69% the previous week, according to Freddie Mac.However, rates still remain above their year-ago level after crossing that key threshold last week for the first time in 2026, when rates averaged 6.58% during the same period in 2025.So what does this mean for homebuyers? Using the Realtor.com® mortgage calculator, we can look at how the math works out for the median-priced home in the U.S.All examples assume a 30-year fixed mortgage and include principal and interest only, excluding property taxes, homeowners insurance, and mortgage insurance.Monthly mortgage payment today with a 20% down paymentFor a homebuyer eyeing the median house price of $430,000, a 20% down payment results in a loan amount of $344,000. At today's 6.67% rate, the monthly principal and interest payment is approximately $2,213. This reflects a $4 monthly reduction from the previous week’s payment of $2,217. However, compared to the 6.58...