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Amortization Schedule Calculator

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How to use the Understanding Amortization

An Amortization Schedule shows you exactly how every loan payment is split between paying off the loan balance (principal) and paying the bank's fee (interest).

📉 Interest Front-Loading

In the early years of a loan, most of your payment goes toward interest. This is why you build equity slowly at first.

🚀 Payoff Acceleration

In the later years, the balance flips. Most of your payment goes to principal, paying off the loan much faster.

The Formula

EMI = P × r × (1+r)ⁿ / ((1+r)ⁿ - 1)

How Extra Payments Help

  • One extra payment a year: Can shorten a 30-year mortgage by 4-5 years.
  • Bi-weekly payments: Results in 26 half-payments (13 full payments) per year, accelerating payoff painlessy.

🆚 Amortization vs. Simple Interest

In a Simple Interest loan (like some personal loans), the total interest is calculated upfront and divided by months. Repaying early saves little to nothing. In an Amortized Loan (Mortgages), interest is calculated daily/monthly on the outstanding balance. Repaying early saves a massive amount of interest.

📚 Key Terminology

Principal: The original amount of money borrowed.
Interest: The cost of borrowing money, usually expressed as a percentage.
Term: The length of time you have to repay the loan.
Equity: The portion of the property that you truly own (Value - Loan Balance).

Frequently Asked Questions (FAQ)

Frequently Asked Questions

Does amortization apply to all loans?

It applies to installment loans like mortgages, auto loans, and personal loans. It does not apply to revolving debt like credit cards.

Why is my principal payment so low at first?

Because the loan balance is highest at the start, the interest charge (Rate * Balance) is also at its peak, eating up most of your fixed monthly payment.

How do extra payments affect the schedule?

Extra payments go directly toward the principal balance. This lowers the interest charged in all future months and shortens your total loan term.

What is an amortization schedule with extra payments?

It is a table that shows how the loan term and total interest change when you make additional payments on top of your regular monthly EMI. Even small extra payments can save thousands in interest over the life of a loan.

Can I use this for a car loan?

Yes, this calculator works for any fixed-rate installment loan, including auto loans, student loans, and detailed mortgage planning.