InternetActive Calculators™
Compound Interest Calculator

Calculate the Compounded Amount
(Hint: Enter the opening balance in the "Principal" box below
to calculate what the compounded amount will be.)

Calculate the Opening Balance
(Hint: Enter the compounded amount in the "Principal" box below
to calculate the opening balance you need to obtain your goal.)

Base Calculations on a 360-Day Year
Base Calculations on a 365-Day Year
Nominal Interest Rate:
Total Number of Days:
Compound on a Daily Basis
Compound on a Weekly Basis
Compound on a Bi-Weekly Basis
Compound on a Semi-Monthly Basis
Compound on a Monthly Basis
Compound on a Quarterly Basis
Compound on a Semi-Annual Basis
Compound on an Annual Basis

Disclaimer: We work hard to ensure that the results presented by our calculators are correct, and accurately reflect real world calculations based on the user supplied data. However, we do not guarantee that this will be the case in all situations. All of our calculator’s content is provided “as is”, without warranty of any kind.

Our calculators are provided for illustrative purposes only, they do not take your personal circumstances into consideration and the results are not guaranteed to be accurate or fit for any purpose. The presented results should not be taken as professional advice or relied upon as the sole basis for making important decisions.