Post Office FD Calculator
Post Office FD Calculator
Estimate your fixed deposit maturity with real-time quarterly compounding
About the Post Office FD Calculator
Post Office Time Deposits (TD) are government backed fixed deposits with tenures of 1, 2, 3, and 5 years. Unlike most bank FDs, Post Office TD interest compounds annually, and the 5 year TD qualifies for deduction under Section 80C. Rates are decided by the Ministry of Finance and revised quarterly, so check the latest notification before investing.
What is an FD Calculator?
An FD calculator estimates the maturity amount of a fixed deposit from three inputs: the deposit amount, the annual interest rate, and the tenure. Banks in India compound fixed deposit interest quarterly on most schemes, which means interest earns interest every quarter and the effective yield is slightly higher than the quoted rate.
How Does the Post Office FD Calculator Work?
The calculator uses the compound interest formula with quarterly compounding:
A = P x (1 + r/4/100)^(4 x t)
- A is the maturity amount.
- P is the deposit amount.
- r is the annual interest rate.
- t is the tenure in years.
Example
For a deposit of Rs. 1,00,000 for 5 years at an assumed 7.5% per year compounded quarterly, the maturity value works out to about Rs. 1,44,995, which includes roughly Rs. 44,995 in interest. Your actual rate depends on the current rate card for your tenure, so treat this as an illustration.
Estimated growth of Rs. 1,00,000 at an assumed 7.5% rate
| Tenure | Maturity Value | Interest Earned | |||
|---|---|---|---|---|---|
| 1 year | Rs. 1,07,714 | Rs. 7,714 | |||
| 2 years | Rs. 1,16,022 | Rs. 16,022 | |||
| 3 years | Rs. 1,24,972 | Rs. 24,972 | |||
| 5 years | Rs. 1,44,995 | Rs. 44,995 | |||
| 10 years | Rs. 2,10,235 | Rs. 1,10,235 |
How to Use the Post Office FD Calculator
- Enter the deposit amount you plan to invest.
- Enter the annual interest rate offered for your chosen tenure.
- Set the tenure in years.
- Read the estimated maturity value and total interest instantly.
Benefits of Using the Post Office FD Calculator
- Compare tenures and rates before locking your money.
- See the effect of quarterly compounding on your deposit.
- Plan laddered deposits across maturities with clear numbers.
- Free, instant, and available without registration.
Note that Post Office Time Deposits compound annually rather than quarterly, and the 5 year TD currently offers about 7.5% per year as per recent quarterly updates. The official rates for 1, 2, 3, and 5 year TDs are revised every quarter by the Ministry of Finance.
Frequently Asked Questions
Post Office Time Deposit rates recently stood at about 6.9% for 1 year, 7.0% for 2 years, 7.1% for 3 years, and 7.5% for 5 years, with rates revised each quarter. Confirm the current rates at your post office or on the India Post website.
Most banks compound FD interest quarterly, so the formula is A = P x (1 + r/4/100)^(4t). Quarterly compounding adds a small yield advantage over simple interest at the same nominal rate, which the calculator reflects in the maturity value of Rs. 1,44,995.
Yes. FD interest is added to your income and taxed at your slab rate. Banks deduct TDS when annual interest crosses the current threshold, which is higher for senior citizens under the latest budget rules. Submit Form 15G or 15H if your total income is below the taxable limit.
Yes, banks allow premature closure, but they pay interest at the rate applicable to the period the deposit actually stayed, often with a small penalty. Deposit insurance covers up to Rs. 5 lakh per depositor per bank through DICGC.
Disclaimer: The Post Office FD Calculator provides estimates for educational purposes only and is not investment advice. Actual returns, rates, and charges depend on the product provider and market conditions. Verify details on the official website and consult a financial advisor before investing.
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