Compound interest

The power of compounding

Use Hootloot's compounding interest calculator to show you what a difference the compounding of interest can make over time.

Compounding is when interest is calculated on interest that has been carried over (rolled up) from previous periods. Over time compounded balances grow larger at a faster and faster rate.

Your information
Current saving balance
Weekly saving
Interest rate (%)

(Leave as 0 if you don't receive interest, otherwise enter a rate per year)

Saving time (years)

(Enter 2.5 for 2½ years)


We guessed it, but you can change it if you want

Your results
You started off with:
You saved an additional:
Giving you a total of:
However if you include interest of:
You would have a total of:

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Disclaimer: These calculators are provided for illustrative and educational purposes only. They are not intended to provide specific advice or recommendations. Hootloot assumes no responsibility for any errors and makes no representations or warranties with respect to these calculators.

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