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Amortization Calculator

Calculate loan payments with detailed amortization schedule and interactive charts.

Amortization Calculator – Understand Loan Repayment Over Time

The Amortization Calculator helps break down loan payments into interest and principal over time. While it can handle most amortization calculations, specialized calculators may be better suited for specific loan types.

What Is Amortization?

Amortization has two primary meanings. The first refers to the gradual repayment of a loan through scheduled payments. The second is an accounting method used to spread the cost of long-term assets over time.

Paying Off a Loan Over Time

Amortization is commonly used in mortgages, auto loans, and personal loans. Each payment includes interest and principal. As the loan balance decreases, the interest portion becomes smaller.

This gradual shift can be clearly seen in an amortization schedule.

Loans That Are Not Amortized

Credit cards are revolving debt and are not amortized. Other examples include interest-only loans and balloon loans.

Amortization Schedule Explained

An amortization schedule details each payment made over the life of a loan. It shows how much goes toward interest, principal, and the remaining loan balance after each payment.

Most schedules assume fixed interest rates and do not include extra payments or fees.

Amortization in Business Accounting

In accounting, amortization spreads the cost of long-term assets across their useful life. Tangible assets like equipment are typically depreciated, while intangible assets are amortized.

Common Intangible Assets That Are Amortized

IRS Rules on Amortization (U.S.)

Under IRS Section 197, many acquired intangible assets can be amortized over time for tax purposes. Some self-created or indefinite-life assets may not qualify.

Amortizing Startup Costs

In the U.S., certain startup costs must be amortized once a business becomes active. These include consulting fees, market research, advertising, and employee training costs incurred before operations begin.

Frequently Asked Questions

Why does interest decrease over time in amortized loans?

Because interest is calculated on the remaining principal balance.

Do amortization schedules include extra payments?

Standard schedules do not, but extra payments can shorten the loan term.

Are all loans amortized?

No. Credit cards and balloon loans are common non-amortized examples.

Is amortization used only for loans?

No. It is also used in accounting to spread asset costs over time.

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