Financial Calculators

The finance section of The Calculator Site featuring useful financial calculator tools for loans, car/auto loans, compound interest, savings, mortgages and more.

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Compound Interest Calculator

Use these financial calculators to work out the compound interest on your savings. The first calculator works out interest on a lump sum. The second calculator allows you to include regular monthly deposits. Interest can be compounded on a monthly or yearly basis.

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Simple Interest Calculator

Use this simple interest calculator to calculate the interest on your savings or loan without compounding. This means that interest is only calculated on the principal, not on previous interest.

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Personal Loan Calculator

Calculate your monthly repayment figures for a secured or unsecured personal loan using this finance calculator tool. The calculator results include a monthly breakdown schedule of interest and capital repayment amounts, to show you exactly what you will be paying.

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CAGR Calculator

Use this compound annual growth rate (CAGR) calculator to work out the annual growth rate of an investment - the percentage rate that gets you from the initial investment to the future value.

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Car Loan Calculator

Are you looking to purchase a new car on credit? Use this car loan calculator to work out monthly repayment figures for a car loan. The calculator results include a monthly breakdown schedule of interest and capital repayment amounts, to show you exactly what you will be paying.

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Credit Card Payment Calculators

Use these credit card repayment calculators to work out effective strategies for paying off your credit card debt. There are two calculators available, depending on which type of calculation you would like to do.

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Currency Converter

A handy universal currency converter that allows you to quickly convert between more than 250 different world currencies.

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Interest Rate Calculator

If you would like to work out what interest rate you're currently receiving on your loan, whether it's a secured, unsecured or payday loan, use our interest rate calculator to do the calculation for you.

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IRR Calculator

Calculate the internal rate of return (IRR) on an investment and measure its profitability with this IRR calculator tool.

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Margin Calculator

Use these margin calculators to work out the gross margin percentage, net profit margin or operating profit margin, as a measure of the profitability of your product or business. An explanation for each margin calculation can be found further down the page.

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Mortgage Refinance Calculator

If you are looking at the option of refinancing your existing mortgage, whether it be to lower your monthly payments or overall costs, use our mortgage refinance calculator. Simply enter the information for your existing mortgage and the interest rate at which you are considering refinancing and let the calculator do all the work for you.

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Mortgage Repayment Calculator

If you are considering the idea of taking out a new mortgage loan, or are looking for mortgage refinancing, this finance calculator should prove useful. Once you enter the figures for the mortgage, it will provide you with a breakdown of interest and capital repayments over the life of the mortgage.

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Retirement Planning Calculator

Calculate how much you might need to save per year in order to meet your retirement goals using this retirement planner. The calculator also adjusts for inflation.

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Savings Calculators

Two savings calculators to help you to work out the interest paid on your savings amount. The first finance calculator is for regular savings on an initial deposit amount. The second calculator allows an option to include a regular monthly savings deposit amount.

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Savings Goal Calculators

If you want to find out how much to save each month or how long to commit to saving to achieve a financial goal, these two calculators are the ones to choose. Simply enter a few key figures and let the calculators do the rest.

Note: The finance calculators featured in this section are provided for guide purposes only. We recommend speaking to an independent financial advisor for professional guidance.

Comments and Suggestions?

Please feel free to contact me with your comments on my finance calculators, including any suggestions for possible future development.