Understanding Mortgage Amortization: Principal vs Interest

Retained from the earlier FinanceMath website. This historical guide has not yet completed the rebuild’s editorial review. Tax rates, eligibility rules and dated claims must be checked against current official sources. For tested calculation methods, use the current calculators.

Understanding Mortgage Amortization: Principal vs Interest

Learn how monthly mortgage payments are divided between loan principal reduction and bank interest charges.

How Amortization Schedules Work

In the early years of a 30-year fixed loan, the majority of your monthly payment goes toward interest. As loan balance drops, more funds flow directly toward building home equity.