Money Saving Overpayment Calculator

Making overpayments on your mortgage or loan can help you save money by reducing the total interest paid over the life of the loan. This calculator helps you determine how much you can save by strategically overpaying your debt.

How the Calculator Works

The money saving overpayment calculator uses the following formula to determine how much you can save by making overpayments:

Formula

Total Savings = (Original Interest - New Interest) - Overpayment Amount

The calculator considers your original loan amount, interest rate, term, and the amount you plan to overpay. It then compares the interest paid with and without the overpayment to show you the savings.

Assumptions

This calculator assumes you will make the same monthly payments as your original loan, plus any additional overpayments. It also assumes you will not make any additional payments beyond the overpayment amount.

How to Use This Calculator

Enter your original loan amount in the "Original Loan Amount" field.
Enter your original interest rate in the "Original Interest Rate" field.
Enter the term of your loan in years in the "Loan Term" field.
Enter the amount you plan to overpay in the "Overpayment Amount" field.
Click the "Calculate" button to see your savings.

The calculator will display the total savings you can achieve by making the overpayment, as well as a chart showing the interest paid with and without the overpayment.

Worked Example

Let's say you have a $200,000 mortgage with a 4.5% interest rate and a 30-year term. You plan to make an additional $5,000 overpayment each year.

Example Inputs

Original Loan Amount: $200,000
Original Interest Rate: 4.5%
Loan Term: 30 years
Overpayment Amount: $5,000 per year

Using the calculator, you would find that making these overpayments could save you approximately $12,500 in interest over the life of the loan.

Year	Interest Without Overpayment	Interest With Overpayment	Savings
1	$7,500	$5,000	$2,500
2	$7,500	$5,000	$2,500
3	$7,500	$5,000	$2,500
...	...	...	...
30	$7,500	$5,000	$2,500

This table shows the savings for each year of the loan. The total savings over 30 years would be $75,000.

Frequently Asked Questions

How does making overpayments save money?: Making overpayments reduces the principal amount owed, which in turn reduces the amount of interest charged over the life of the loan. This can result in significant savings over time.
Can I make overpayments on any type of loan?: Yes, you can make overpayments on mortgages, personal loans, car loans, and other types of loans. However, the impact of overpayments will vary depending on the loan terms and your financial situation.
Are there any risks to making overpayments?: While making overpayments can save you money, it can also reduce the amount of interest you would have paid, which could affect your tax deductions if you itemize. Additionally, making large overpayments can shorten the life of your loan, which may not be desirable if you plan to refinance or sell the property in the near future.
How often should I make overpayments?: The frequency of your overpayments will depend on your financial situation and goals. Some people prefer to make overpayments at the beginning of the loan to save on interest, while others may prefer to make overpayments at the end to extend the life of the loan.
Can I make overpayments in addition to my regular payments?: Yes, you can make overpayments in addition to your regular payments. However, you should ensure that you are not making overpayments that would result in you paying off the loan early, as this may not be desirable if you plan to refinance or sell the property in the near future.