FD Calculator

Fixed deposits remain the most trusted savings instrument in India, offering guaranteed returns with zero market risk.

Reviewed by: CalcMojo Editorial Team

This FD calculator computes your maturity amount, total interest earned, and effective annual yield based on your deposit amount, interest rate, tenure, and compounding frequency. Whether your bank compounds quarterly, monthly, or annually, the tool shows you exactly what you will receive at maturity.

Understanding FD returns matters more than most people realize. The interest rate your bank advertises is the nominal rate, but the actual return depends on compounding frequency. A 7% FD compounded quarterly yields slightly more than one compounded annually because interest earned each quarter starts earning its own interest in subsequent quarters. This calculator accounts for these differences so you see the true return.

Whether you are parking emergency funds, investing in a tax-saving FD under Section 80C, comparing rates across banks, or deciding between an FD and other instruments like RDs or debt mutual funds, this calculator gives you the exact numbers for informed decision-making. Adjust any variable and see the impact instantly.

How Fixed Deposit Interest Is Calculated

Fixed deposit interest in India is calculated using the compound interest formula. The specific formula depends on the compounding frequency your bank applies:

A = P x (1 + r/n)^(n x t)

Where:

• A = Maturity amount (principal plus interest)
• P = Principal deposit amount
• r = Annual interest rate (as a decimal)
• n = Number of times interest is compounded per year (4 for quarterly, 12 for monthly, 1 for annually)
• t = Tenure in years

The interest earned is simply A minus P.

Most Indian banks compound FD interest quarterly. Some offer monthly or annual compounding. The difference matters: a ₹5,00,000 FD at 7% for 5 years yields ₹7,09,259 with quarterly compounding versus ₹7,01,276 with annual compounding — a difference of ₹7,983. Over larger amounts and longer tenures, this gap widens significantly.

For cumulative FDs (where interest is reinvested), the full maturity amount is paid at the end. For non-cumulative FDs, interest is paid out monthly, quarterly, or annually, providing regular income but earning less total interest since the paid-out interest does not compound.

FD Interest Rates in India: What Determines Your Rate

FD interest rates vary between 3% and 9% depending on several factors.

Bank Type. Public sector banks (SBI, PNB, BOB) typically offer slightly lower rates than private banks (HDFC, ICICI, Axis) and significantly lower than small finance banks (AU, Ujjivan, Equitas) and NBFCs (Bajaj Finance, Mahindra Finance). Small finance banks often offer 0.5% to 1.5% higher rates to attract deposits, and deposits up to ₹5 lakh are insured under DICGC just like any other bank.

Tenure. Banks offer different rates for different tenures. The highest rates are usually for medium-term deposits (1-3 years). Very short-term (under 6 months) and very long-term (above 5 years) FDs often carry lower rates. Always check the rate card for your specific tenure rather than assuming the advertised headline rate applies.

Deposit Amount. Some banks offer higher rates for deposits above ₹2 crore (bulk deposits). Conversely, the DICGC insurance covers only up to ₹5 lakh per depositor per bank, so spreading large deposits across multiple banks provides both safety and potentially better rates.

Senior Citizen Premium. Banks offer an additional 0.25% to 0.75% interest rate for depositors aged 60 and above. Some banks offer super senior citizen rates (80+) with an even higher premium. Always ask about the senior citizen rate when opening an FD for parents or grandparents.

Special Tenures. Many banks offer promotional rates on specific tenures (like 444 days or 777 days) that are higher than standard tenure rates. These change frequently, so checking current special tenure rates can get you a better deal.

Cumulative vs Non-Cumulative FD

This is a fundamental choice when opening a fixed deposit, and it significantly affects your total returns.

Cumulative FD. Interest is compounded and reinvested within the FD. You receive the total amount (principal plus compounded interest) at maturity. This option generates the highest total return because each quarter’s interest earns further interest in subsequent quarters. Choose this when you do not need regular income and want maximum wealth accumulation.

On a ₹10 lakh cumulative FD at 7.5% for 5 years (quarterly compounding), the maturity amount is approximately ₹14,48,298, earning ₹4,48,298 in interest.

Non-Cumulative FD. Interest is paid out to your savings account at regular intervals (monthly, quarterly, or annually). The principal remains unchanged and is returned at maturity. This option provides regular income but generates less total interest because the paid-out interest does not compound.

On the same ₹10 lakh FD at 7.5% non-cumulative with quarterly payouts, each quarter you receive approximately ₹18,750 (simple interest per quarter). Over 5 years, total interest received is ₹3,75,000 — about ₹73,298 less than the cumulative option.

Non-cumulative FDs are suitable for retirees needing regular income. For all other investors, cumulative FDs are financially superior. Use the RD Calculator to compare regular deposit strategies.

Tax-Saving FD Under Section 80C

Tax-saving fixed deposits offer a deduction under Section 80C of the Income Tax Act up to ₹1.5 lakh per year. These FDs have specific restrictions.

Lock-in Period. Tax-saving FDs have a mandatory 5-year lock-in. You cannot withdraw or take a loan against them during this period.

Eligible Banks. Only scheduled banks (not NBFCs or cooperative banks) can offer tax-saving FDs.

Joint Holding. Tax-saving FDs can be held jointly, but the tax benefit is available only to the first holder.

Taxability of Interest. While the deposit qualifies for an 80C deduction, the interest earned is fully taxable at your slab rate. TDS is deducted at 10% if annual interest from all FDs with that bank exceeds ₹40,000 (₹50,000 for senior citizens). This makes the post-tax return significantly lower than the nominal rate, especially for those in the 30% tax bracket.

For someone in the 30% tax bracket, a 7% FD yields an effective post-tax return of about 4.9%. Compare this with other 80C instruments like ELSS (market-linked but potentially higher returns) or PPF (8.2% tax-free returns with longer lock-in). Use the PPF Calculator and Income Tax Calculator (Old vs New) to evaluate all options.

FD vs Other Investment Options

FD vs Savings Account. Savings accounts offer 2.5% to 4% interest (up to 7% in some small finance banks), accessible anytime. FDs offer higher rates but with a lock-in. For emergency funds, a combination of savings account (immediate needs) and short-term FDs (1-3 months) with auto-renewal works well.

FD vs Recurring Deposit. FDs require a lump sum, while RDs allow monthly contributions. FD rates are slightly higher than RD rates at most banks. If you have the lump sum available, an FD will earn more than dripping the same amount into an RD over the same period. However, if you are saving from monthly income, an RD is the appropriate comparison. See the RD Calculator for details.

FD vs Debt Mutual Funds. Debt mutual funds can offer better post-tax returns for investors in higher tax brackets, especially when held for longer periods. However, since April 2023, debt fund gains are taxed at the slab rate regardless of holding period, eliminating the previous indexation benefit. This has made FDs more competitive on a post-tax basis. The choice now depends on liquidity needs and risk tolerance.

FD vs PPF. PPF offers 8.2% (current rate) with EEE tax status (exempt-exempt-exempt) — contributions, interest, and maturity are all tax-free. However, PPF has a 15-year lock-in with limited partial withdrawal. For guaranteed returns with tax efficiency, PPF is superior if you can accept the longer horizon. Use the PPF Calculator to compare.

FD Premature Withdrawal and Penalties

Breaking an FD before maturity typically attracts a penalty of 0.5% to 1% reduction from the applicable interest rate for the actual deposit period. For example, if you break a 5-year FD after 2 years, the bank applies the 2-year FD rate (not the 5-year rate you booked) minus a penalty of 0.5%.

Strategies to Minimize Premature Withdrawal Losses:

FD Laddering. Instead of putting ₹10 lakh in one FD, split it into ₹2 lakh each across 5 FDs with staggered maturities (1, 2, 3, 4, and 5 years). When you need funds, break only the smallest or shortest FD. As each FD matures, reinvest at the prevailing 5-year rate to maintain the ladder.

Sweep-in FD. Many banks offer sweep-in or flexi FDs linked to your savings account. If your savings balance drops below a threshold, the bank automatically breaks FD units to cover the deficit. This gives you FD rates on surplus funds with savings account liquidity.

Overdraft Against FD. Instead of breaking an FD for short-term needs, take a loan against it. Banks typically charge 1% to 2% above the FD rate for overdraft, but your FD continues earning interest. If the need is temporary, this costs less than breaking the FD.

FD for Senior Citizens: Maximizing Returns

Senior citizens benefit from higher FD rates, a higher TDS threshold, and potentially favorable tax treatment.

Higher Rates. The 0.25% to 0.75% senior citizen premium on FD rates is guaranteed across all banks. On a ₹25 lakh deposit, even a 0.5% premium adds ₹12,500 per year in additional interest.

Section 80TTB. Senior citizens can claim a deduction of up to ₹50,000 on interest income from deposits (FD, RD, savings account) under Section 80TTB. This effectively makes a significant portion of FD interest tax-free.

Higher TDS Threshold. TDS on FD interest for senior citizens kicks in only when annual interest exceeds ₹50,000 per bank (compared to ₹40,000 for others).

SCSS as an Alternative. The Senior Citizens Savings Scheme (SCSS) currently offers 8.2% with quarterly interest payouts and qualifies under 80C. For retirees seeking regular income, SCSS paired with FD laddering provides both high returns and liquidity.

This calculator provides estimates. Actual returns depend on your financial institution’s terms.

Frequently Asked Questions

How is FD interest calculated in India?

FD interest is calculated using compound interest: A = P x (1 + r/n)^(n x t), where P is the principal, r is the annual rate, n is the compounding frequency, and t is the tenure. Most Indian banks compound quarterly. A ₹5 lakh FD at 7% for 5 years with quarterly compounding yields approximately ₹7.09 lakh at maturity.

What is the difference between cumulative and non-cumulative FD?

In a cumulative FD, interest is reinvested and compounded, paid out entirely at maturity. In a non-cumulative FD, interest is paid regularly (monthly, quarterly, or annually). Cumulative FDs earn more total interest due to compounding. Non-cumulative FDs suit retirees needing regular income.

Is FD interest taxable?

Yes, FD interest is fully taxable at your income tax slab rate. TDS is deducted at 10% when annual interest from all FDs at a bank exceeds ₹40,000 (₹50,000 for senior citizens). You can submit Form 15G (or 15H for seniors) if your total income is below the taxable limit to avoid TDS.

What is a tax-saving FD?

A tax-saving FD qualifies for a deduction under Section 80C of the Income Tax Act up to ₹1.5 lakh per year. It has a mandatory 5-year lock-in period with no premature withdrawal. Only scheduled banks offer this product. While the investment is tax-deductible, the interest earned is still taxable.

What happens if I break my FD before maturity?

Premature withdrawal attracts a penalty of 0.5% to 1% on the interest rate. The bank applies the rate for the actual tenure held minus the penalty, not the rate you originally booked. To minimize this risk, use FD laddering to split your deposit across multiple FDs with staggered maturities.

Which banks offer the highest FD rates in India?

Small finance banks and NBFCs typically offer the highest FD rates, often 0.5% to 1.5% above major private and public sector banks. Deposits up to ₹5 lakh in all scheduled banks are insured by DICGC. Compare current rates across banks before booking, as rates change frequently.

Is FD better than mutual funds?

FDs offer guaranteed returns with zero market risk, making them suitable for conservative investors and short-term goals. Mutual funds offer potentially higher returns but with market risk. For long-term goals (7-plus years), equity mutual funds have historically outperformed FDs significantly. The right choice depends on your risk tolerance, time horizon, and tax bracket.

Default rates shown are illustrative. Always verify current rates with your bank. Data accurate as of: March 2026