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Whether you are comparing loans, planning savings or checking a discount, a few simple calculations make money decisions clearer. These free finance calculators give you the answer in seconds, show the formula behind it and explain what the result means.
Use the loan and mortgage calculators to estimate monthly payments and total cost, the interest calculators to see how savings grow, and the percentage tools for everyday maths such as discounts, increases and returns. Every calculator runs in your browser, needs no sign-up and keeps your numbers private.
Find what percentage one number is of another.
Open tool →Calculate savings and final price after a discount.
Open tool →Measure the return generated by an investment.
Open tool →Calculate interest earned with a simple interest formula.
Open tool →See how compounding grows an investment over time.
Open tool →Estimate monthly payments and total repayment for a loan.
Open tool →Estimate a mortgage payment after your down payment.
Open tool →Calculate the percentage increase or decrease between two values.
Open tool →Add sales tax to a price or remove it from a tax-inclusive price.
Open tool →Calculate the monthly EMI, total interest and total payment on a loan.
Open tool →They use standard formulas, such as the amortisation formula for loans and the compound interest formula, and show them on each page. Results are estimates: fees, taxes and lender rules can change real figures.
No. All calculators are free to use without signing up, and the numbers you enter stay in your browser.
Yes. The calculations work with any currency, but results are displayed with a dollar sign for convenience. Enter amounts in your own currency and read the numbers as that currency.