Click here to launch the calculator

(Requires Flash Player 7 or higher).

You can use this calculator / solver to:

1. Work out the Annual Percentage Rate (APR) from a monthly rate of interest, or vice versa. (You can use change the interest period from monthly to daily, weekly, quarterly or half-yearly).

2. Work out the factors in Compound Interest Loan calculations, based upon three of the known factors. Therefore, you need to enter three of the following values:

- Initial Value (i.e. the amount of money that is borrowed)
- Interest Rate
- The duration / length of the loan (in years)
- The total amount of money that is repaid (i.e. initial value + interest)

Points to be aware of:

All results are rounded down to 4 decimal places, and this should be sufficient for most purposes. You can round this down further yourself (i.e. to 2 decimal places).

When enter 'part years' in the loan calculator (i.e. 7 years and 10 months), these need to be added as a fraction.

i.e. To work out 10 months as a decimal fraction, divide 10 by 12, and this gives the result 0.8 - therefore, enter 7.8 into the calculator. Any results calculated this way will also show the years and months underneath.

The figures projected by the calculator are only for guidance purposes - whilst we aim to ensure the accuracy of our calculators, we can take no responsibility for the usage made of the calculations generated on this site.

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