Fixed Deposit (FD)
Calculate the maturity amount and interest earned on Fixed Deposits.
Summary
The Fixed Deposit (FD) remains the bedrock of Indian savings. In an era of volatile crypto and fluctuating stock markets, the FD offers something priceless: Certainty. When you book an FD, you lock in your interest rate for the entire tenure, insulating your money from future rate cuts or market crashes.
🏦 The Secret of FD Compounding
Most investors assume a 7% FD gives simply 7% return. This is incorrect.
In India, bank FDs typically use Quarterly Compounding. This means your interest earns its own interest four times a year. As a result, the Annualized Yield is always higher than the quoted interest rate.
Example: A 7.0% FD actually yields ~7.19% per annum due to compounding.
Taxation: The "Real" Return of FDs
This is the biggest drawback of Fixed Deposits. The interest you earn is added to your annual income and taxed at your slab rate.
- TDS (Tax Deducted at Source): If your interest income from a single bank exceeds ₹40,000 (₹50,000 for Seniors), the bank deducts 10% TDS automatically.
- Slab Rates: If you are in the 30% tax bracket, a 7% FD effectively gives you only 4.9% post-tax return. This often fails to beat inflation (approx 6%).
- Form 15G/15H: If your total income is below the taxable limit, you must submit these forms to the bank every April to prevent TDS deduction.
How FD interest is actually calculated
Almost every Indian bank compounds fixed-deposit interest quarterly, not annually — which means your effective yield is slightly higher than the advertised rate. The formula is:
P = principal · r = annual rate (decimal) · n = compounding periods per year (4 for quarterly) · t = tenure in years
On a ₹5,00,000 deposit at 7% for 5 years, quarterly compounding produces roughly ₹7.07 lakh at maturity versus ₹7.01 lakh with annual compounding — a small edge that grows with tenure. Note the distinction between a cumulative FD (interest compounds and is paid at maturity) and a non-cumulative one (interest is paid out monthly or quarterly as income, so nothing compounds). Retirees usually want the latter; savers building a corpus want the former.
Choosing a tenure — and the laddering trick
Bank rate cards are not linear: the best rate is often on an oddly specific tenure such as 444 or 555 days rather than a neat 1, 3 or 5 years. Always check the rate for your exact period rather than assuming longer is better.
If you are locking away a large sum, consider laddering — splitting it across several FDs maturing at different times instead of one large deposit. You keep periodic access to cash without breaking a single big FD and paying the premature-withdrawal penalty, and you get to reinvest portions as rates change.
Safety: what deposit insurance actually covers
Deposits are insured by the DICGC up to ₹5 lakh per depositor per bank, and that limit covers principal and interest combined, aggregated across all your accounts at that bank. This is precisely why small finance banks can afford to advertise 8–9% rates: if you keep your exposure to any one bank within the ₹5 lakh insured limit, the higher rate carries no more real risk than a large bank's lower one. Above that limit, the credit quality of the bank itself starts to matter.
Frequently Asked Questions
Is FD safe if the bank fails?
Yes. Under the DICGC Act, deposits up to ₹5 Lakh (Principal + Interest) per bank per person are insured. This makes FDs one of the safest assets.
Can I take a loan against my FD?
Yes, this is a great feature. Most banks offer an overdraft or loan of up to 90% of your FD value at an interest rate just 1-2% higher than your FD rate. This is better than breaking the FD.
How is FD interest calculated?
Most Indian banks compound FD interest quarterly using A = P × (1 + r/n)^(n×t), where P is the principal, r the annual rate, n the compounding frequency (4 for quarterly) and t the tenure in years. Quarterly compounding means your effective yield is slightly higher than the headline rate.
What is the current FD interest rate in India?
Rates vary by bank and tenure — large public and private banks typically offer around 6.5–7.5% for 1–5 year deposits, while small finance banks often pay 8% or more. Senior citizens usually get an additional 0.25–0.75%. Always compare the rate for your exact tenure, since bank rate cards are not uniform across periods.
Is FD interest taxable?
Yes. FD interest is fully taxable at your income-tax slab rate as income from other sources, and it is taxed on an accrual basis each year — not only at maturity. Banks deduct 10% TDS once interest crosses ₹40,000 in a year (₹50,000 for senior citizens); submit Form 15G or 15H if your total income is below the taxable limit.
Which is better — FD or debt mutual fund?
FDs give you a guaranteed, pre-known return with deposit insurance up to ₹5 lakh, which debt funds cannot match on certainty. Debt funds can deliver slightly higher returns and offer better liquidity without a penalty, but their value moves with interest rates. Since the 2023 tax change, both are now taxed at slab rate, so the old tax advantage of debt funds no longer applies.
What happens if I break my FD early?
Most banks charge a premature-withdrawal penalty of 0.5–1%, and pay interest at the rate applicable for the period the deposit actually ran rather than the rate you booked. Taking a loan or overdraft against the FD is often cheaper than breaking it.
Related Calculators
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Post Office MIS
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Compound Interest
Calculate compound interest with yearly, quarterly or monthly compounding.
