Term Deposits Interest Calculator - Version 1.0.0 State Bank of India (SBI) Fixed Deposits, Time Deposits or Term Deposits Maturity Interest Calculator. The Calculator calculates the Interest or Maturity Amount you will get after maturity of Fixed Deposits or Term Deposits.State Bank of India (SBI) Fixed Deposits, Time Deposits or Term Deposits Maturity Interest Calculator: is an investment planning tool which allows any Fixed Deposit investor to know the effective annual interest, total returns and total interest or Maturity (Future) Value on the Investment to the individual or business enterprise.Term deposit is a deposit held at a financial institution that has a fixed term.This is an account which allows to deposit money for a fixed time period. The advantages of term deposits compared to usual savings are the higher interest rates as they have a fixed term.