Free 30-Year Mortgage Calculator 2026
The 30-year fixed mortgage is the most popular home loan in the United States, chosen by over 70% of homebuyers. At 7% interest on a $300,000 loan, your monthly payment is $1,996. The main advantage is the lower monthly payment — but you pay significantly more total interest than a 15-year loan. Use our calculator to see your full amortization schedule. No sign-up required — your data never leaves your browser. Works instantly on desktop, tablet, and mobile. Completely free with no daily usage limits, no watermarks, and no account needed. Trusted by students, professionals, and businesses worldwide. FixFlowHub is a browser-based toolbox with 120+ free utilities covering PDF, image, text, calculator, and productivity tools.
Frequently Asked Questions
What is the monthly payment on a $300,000 30-year mortgage?
At 7% interest, a $300,000 30-year fixed mortgage payment is approximately $1,996/month (principal and interest only, not including property taxes or insurance). At 6.5%, the payment is $1,896/month.
How much total interest do you pay on a 30-year mortgage?
On a $300,000 loan at 7% for 30 years, you pay approximately $418,500 in total interest over the life of the loan — more than the original loan amount. This is why paying extra each month can save tens of thousands.
Can I pay off a 30-year mortgage in 15 years?
Yes. Paying extra principal each month significantly reduces your loan term. On a $300,000 loan at 7%, paying an extra $300/month reduces the 30-year term to about 22 years and saves approximately $120,000 in interest.