📊 Amortization Schedule Explained

What Is an Amortization Schedule?

An amortization schedule is a table showing each mortgage payment broken down into principal and interest, plus the remaining balance after each payment.

How Amortization Works

Early payments are mostly interest. As balance decreases, more goes to principal. This is why you build equity slowly at first, then faster over time.

Reading an Amortization Schedule

Each row shows: payment number, payment amount, principal portion, interest portion, and remaining balance. Total interest paid is visible at the bottom.

Impact of Extra Principal Payments

Extra payments go directly to principal, reducing future interest and shortening loan term. Even small extra payments can save thousands and years.

30-Year vs 15-Year Amortization

15-year loans have higher payments but much less total interest. Compare amortization schedules to see the dramatic difference in long-term cost.

Amortization and Taxes

Mortgage interest is tax-deductible (up to limits). Amortization schedule shows how much interest you pay each year for tax planning.

Creating Your Own Amortization Schedule

Use online calculators or spreadsheet formulas. Input loan amount, rate, and term to generate a complete schedule showing every payment.

Biweekly Payment Amortization

Making half-payments every two weeks equals 13 full payments per year instead of 12. This accelerates payoff and reduces total interest significantly.

Amortization for Adjustable-Rate Mortgages

ARM amortization changes when rates adjust. Recast your schedule after each adjustment to see new payment breakdown.

Using Amortization for Financial Planning

Understand how quickly you build equity, plan extra payments, evaluate refinance options, and project when you'll own your home free and clear.