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

Principal:

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