Simple interest calculator online

How do i calculate interest on a calculator?

In the modern world, it is often necessary to count percentages of an amount or a certain number. It is not always possible to quickly and correctly make calculations in your mind, especially if you need to add or subtract a percentage. That is why prostobank.com created a calculator with interest, which calculates interest in online mode in a second. Using our calculator is very easy and simple - you must enter the amount or number, percentage and click the calculate button. By default, the calculation result (percentage of the amount) will be accurate to 2 decimal places. You can edit this setting if necessary.

By clicking on the button other actions with interest, you will see the results of such calculations: add a percentage to a number or subtract a percentage from a number. For example, you need to subtract 5% from the amount 5000. The calculation results will indicate that the percentage of the amount is 250, subtracting the percentage from the number.

Interest formula

Formula for calculating the percentage of the amount: (amount or number * percentage) / 100%

Thus, on our percentage calculator you can calculate the percentage of an amount or number online.