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Amortization is more than a concept. It's a tool for understanding how much you still owe in any given month, how much interest you've paid so far and how much interest you'll pay over the life of the loan.

What is mortgage amortization?

"Amortization" is a word for the way a mortgage is repaid: Your monthly mortgage payment stays the same (not counting taxes and insurance), but the percentage of that payment going to the principal versus the interest changes over time.

In the first years, most of each payment goes toward interest and only a little pays off the debt. That ratio gradually changes — and eventually it flips. In the later years, most of the payment pays off principal, and a smaller proportion goes toward interest. That's amortization in a nutshell.

Why understanding amortization matters

A solid grasp of amortization shows more than just your monthly mortgage payment — it also highlights the total interest you’ll pay across the life of the loan.

With that insight, you can compare loan offers and understand the impact of rates more effectively when shopping for mortgages. It can also help you implement strategies to pay off your current mortgage faster to save on total interest costs.

What is an amortization schedule, and how does it work?

An amortization schedule is a valuable resource because it shows exactly how much of your payment goes toward interest and how much goes toward your principal over the course of the loan term.

Each row of an amortization schedule typically includes:

Monthly payment number and date
Starting balance
Total monthly payment
Principal paid
Interest paid
Remaining loan balance
Cumulative interest paid

With the clarity that an amortization schedule provides, you have a basis from which you can consider how to build home equity faster and reduce your total interest costs.

How amortization schedule insights can help reshape your mortgage strategy

After reviewing your amortization schedule, you may decide it would be worth your while to pay extra toward your principal. If you can afford it, even adding an extra $50 to your monthly principal payment can reduce your mortgage balance faster, accelerate equity growth and shorten your loan term — saving you a lot of money in interest over the long run. This also puts you in a much better position if you plan to refinance or take out a second mortgage.

Mortgage loans from our partners

Feature	15-year mortgage	30-year mortgage
Loan amount	$200,000	$200,000
Interest rate	5.0%	6.0%
Monthly payment (principal & interest)	$1,582	$1,199
Total interest paid	$84,686	$231,676
Total cost of loan (principal & interest)	$284,686	$431,676
Interest savings	+$146,990	$0

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What Is Mortgage Amortization?

What is mortgage amortization?

Why understanding amortization matters

What is an amortization schedule, and how does it work?

How amortization schedule insights can help reshape your mortgage strategy

Comparing 15-year vs. 30-year amortization schedules

What is a mortgage amortization calculator for?

You're our first priority.
Every time.