Understanding Post Office Time Deposits (POTD)
The Post Office Time Deposit (POTD), commonly referred to as a Post Office FD, is one of the most secure investment schemes backed by the Government of India. It offers guaranteed returns, making it a popular choice for conservative investors looking to safely grow their wealth over 1 to 5 years.
Our Post Office FD Calculator uses the exact quarterly compounding rules applied by the Department of Post to give you a highly accurate estimate of your maturity amount. If you are comparing this to mutual funds, you can also check our SIP Calculator.
How is Interest Calculated?
In a Post Office Fixed Deposit, the interest rate is computed quarterly but is payable annually.
A = P × (1 + r/4)^(4 × t)
- A: Maturity Amount
- P: Principal Deposit Amount
- r: Annual Interest Rate (Decimal)
- t: Tenure in Years
Note: While the Post Office technically pays out interest annually, standard FD calculators display the cumulative maturity amount assuming the interest is reinvested or kept until the end of the term.
Key Features of POTD
- Tenure Options: You can open an account for 1, 2, 3, or 5 years. There are no other fractional term limits allowed.
- Tax Benefits: Only the 5-Year Time Deposit is eligible for tax deduction benefits under Section 80C of the Income Tax Act (up to ₹1,50,000 per financial year).
- Premature Withdrawal: Premature encashment is allowed only after 6 months. If withdrawn between 6 to 12 months, you only get Post Office Savings Account interest rates.