Loan Amortization Calculator

Create a detailed payment schedule for your loan.

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Results

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How the Loan Amortization Calculator Works

Monthly Interest = Remaining Balance x (Annual Interest Rate / 12)

The amortization schedule details each monthly payment, showing how much goes to interest and how much reduces the principal. At the start of the loan, most of the payment goes to interest, then gradually shifts toward principal over time.

  1. 1

    Step 1

    Specify loan amount, interest rate, and term

  2. 2

    Step 2

    Calculate the fixed monthly payment

  3. 3

    Step 3: For each month

    calculate interest on remaining balance

  4. 4

    Step 4

    Subtract interest from payment to get principal portion

  5. 5

    Step 5

    Subtract principal paid from balance to get new balance

Use Cases

Budget Planning

Understand payment distribution between principal and interest for better financial planning

Evaluating Extra Payments

See the impact of extra payments on reducing loan term and total interest

Comparing Financing Options

Compare amortization schedules of different loans to choose the best one

Tax Planning

Know annual interest amounts to benefit from tax deductions where applicable

Tips

  • 1

    Review the amortization schedule before signing the loan

  • 2

    Notice how the interest-to-principal ratio changes over time

  • 3

    Use the schedule to plan extra payments strategically

  • 4

    Compare loans with same payment but different terms

  • 5

    Keep a copy of the amortization schedule to track your loan

Common Mistakes

  • Expecting Equal Principal Reduction

  • Ignoring Early Interest Impact

  • Not Updating the Schedule

  • Confusing Numbers

Frequently Asked Questions

Why does most of the payment go to interest at the beginning?
Because interest is calculated on the remaining balance. At the start, the balance is high so interest is high. As principal is paid down, the balance decreases and interest decreases accordingly.
How does an extra payment affect the amortization schedule?
Extra payments go directly to reducing principal, which lowers interest on all future payments and shortens the loan term.
What is the difference between fixed and variable amortization?
In fixed amortization, the monthly payment is constant but its distribution changes. In variable amortization, the payment itself may change based on prevailing interest rates.
When is half the loan actually paid off?
Usually after more than half the term has passed, because early payments mostly go to interest. Paying off half the principal may take 60-70% of the loan term.
Can I get an amortization schedule from the bank?
Yes, you have the right to request a complete amortization schedule from the bank when applying for a loan. This helps you understand your financial obligations clearly.

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