| # | Date | Payment | Principal | Interest | Balance |
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Understanding the true cost of a loan before signing is one of the most important financial decisions you can make. A $300,000 mortgage at 6.5% over 30 years costs over $382,000 in interest alone — more than the loan principal. Knowing this upfront lets you compare lenders, evaluate whether to make extra payments, or decide between a 15-year and 30-year term.
The amortization table reveals something many borrowers miss: in the early years, most of your payment goes toward interest, not principal. On a 30-year mortgage, you will pay off less than 20% of the principal in the first 10 years. This calculator makes that reality visible, empowering you to make informed decisions about extra payments and refinancing.
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