Suppose, a regular customer deposits ₹10 lakh in a 10-year FD in SBI. According to the SBI FD Calculator, the investor will get a total of ₹19,05,559 on maturity at an interest rate of 6.5 per cent per annum. This will give a fixed income of ₹9,05,559 from the interest. That is, your deposit amount will almost double.