Monthly Interest Formula:
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Monthly interest on Fixed Deposit (FD) represents the amount earned each month from the principal investment based on the annual interest rate. It helps investors understand their regular income from fixed deposits.
The calculator uses the monthly interest formula:
Where:
Explanation: The formula converts the annual interest rate to a monthly rate by dividing by 12, then applies it to the principal amount to calculate monthly interest earnings.
Details: Calculating monthly interest helps investors plan their cash flow, compare different FD options, and understand the regular income they can expect from their investments.
Tips: Enter the principal amount in currency units and annual interest rate in percentage. Both values must be positive numbers to get accurate results.
Q1: Is the monthly interest compounded or simple?
A: This calculator computes simple monthly interest. For compound interest, the calculation would be different and would depend on the compounding frequency.
Q2: Are there any taxes on FD interest?
A: Yes, interest earned on fixed deposits is typically taxable as per your country's tax laws. The calculated amount here is pre-tax interest.
Q3: Can I use this for any currency?
A: Yes, the calculator works with any currency as long as you maintain consistent currency units for both principal and interest.
Q4: What if the FD has different interest payment frequencies?
A: This calculator specifically calculates monthly interest. For quarterly, half-yearly, or annual payments, different calculations would be required.
Q5: Does this account for changing interest rates?
A: No, this calculator assumes a fixed annual interest rate throughout the investment period. For variable rates, separate calculations would be needed for each rate period.