Amortization Calculator
This amortization calculator returns monthly payment amounts as well as displays a schedule, graph, and pie chart bre...

What Amortization Calculator does
An amortization calculator that computes monthly payment amounts and generates a full repayment schedule. Users input a loan amount, term in years and months, and an interest rate to receive the periodic payment, total paid, and total interest. The site supplements the numbers with a detailed amortization table, a year-by-year balance graph, and a pie chart breaking down principal versus interest over the life of the loan. Optional extra payment fields let users model additional monthly, yearly, or one-time payments to see how those affect the schedule.
How to use the Calculator.net Amortization Calculator
- 1
Enter the loan amount in the Loan amount field.
- 2
Set the loan term using the years and months dropdowns.
- 3
Input the annual interest rate in the Interest rate field.
- 4
Click Calculate to view the monthly payment, schedule, graph, and pie chart.
- 5
Use the optional extra payment fields to model additional payments and update the results.
Best for
Best for borrowers who want a clear visual breakdown of how each payment splits between principal and interest, and who may want to test the impact of extra payments on their repayment timeline.
Limitations
- Results are based on fixed-rate assumptions and may not reflect variable loan terms.
- The interface uses month and year selectors rather than free-text entry for the loan term.
- Extra payment options are optional and may not cover all possible payment scenarios.
Amortization Calculator FAQ
- Can I change the payment frequency from monthly to bi-weekly or weekly?
- The calculator defaults to monthly payments; the material does not list alternative payment frequencies as configurable options.
- What does the pie chart show?
- The pie chart breaks down the total amount paid over the loan term into principal and interest portions, illustrating the proportion of each.
- How do extra payments affect the amortization schedule?
- Optional extra monthly, yearly, or one-time payment fields let users input additional amounts, which the calculator then incorporates into the schedule and visualizations to show updated payoff timing and interest savings.
- Is the amortization schedule shown year-by-year or month-by-month?
- The schedule displays individual payment months with interest, principal, and ending balance, and a separate year-by-year balance graph is also provided.
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