Future Investment Calculator Initial Investment £ Monthly Deposit £ Number of Years years Annual rate % Interest/growth added: Yearly Monthly Daily Future Value £ About this Calculator This FREE on-line tool calculates the future value of an investment (ISA, Deposit, Collective), with or without any additional contributions. The calculator compounds the growth of the initial investment, plus any periodic sums invested. The result is based on a constant interest/growth rate compounded annually, monthly or Daily (please select). Notes on how to use the calculator: Initial Balance Enter the initial balance or the amount that will start the investment account in “initial investment”, there is no need for commas. Enter the initial balance, if there is no initial balance start with ‘0’. Monthly Deposits Enter the monthly deposit amount; there is no need for commas. If there is no monthly deposit amount enter ‘0’. The Investment period Enter the number of years the investment is to be held Annual Growth/Interest Rate Enter the interest rate or the expected growth rate. The calculator will compound the return monthly/Daily, including any additional deposits. Monthly/Daily Click whether the interest will be compounded monthly or Daily. If the projection is for investment growth click Daily. Press Calculate The result is the future value of the investment at the end of the term based on a compounded monthly/daily figure. Please note this is a projection and varying monthly deposits and growth/interest rates will result in a different amount. Scroll To top ↑