What is a fixed deposit?

A fixed deposit is a lump sum placed with a bank for a fixed tenure at a guaranteed interest rate, typically higher than a savings account.

How is FD maturity calculated?

Using A = P(1 + r/n)^(nt), usually with quarterly compounding (n = 4), where P is principal, r the annual rate, and t the tenure in years.

How often is FD interest compounded?

Most banks compound FD interest quarterly, though some offer monthly or annual options.

Is FD interest taxable?

Yes. FD interest is taxable as income, and banks may deduct TDS if interest exceeds the prescribed threshold.

Can I withdraw an FD early?

Usually yes, but premature withdrawal typically reduces the interest rate and may incur a penalty.

Do senior citizens get higher FD rates?

Most banks offer senior citizens an additional interest rate, commonly around 0.25–0.5% above standard rates.

Fixed Deposit Calculator

Calculate FD maturity amount and interest.

Input & results

Input values

Results

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Calculation History

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Recent calculations are saved automatically as you adjust inputs.

Financial results are estimates for informational purposes only and are not financial, tax, or investment advice. Verify figures with a qualified professional before making decisions. See our full disclaimer.

What is Fixed Deposit?

A Fixed Deposit (FD) Calculator estimates the maturity amount and interest earned on a lump sum deposited with a bank for a fixed term at a fixed rate, with interest typically compounded quarterly.

A fixed deposit locks your money for a chosen tenure in exchange for a guaranteed interest rate that is usually higher than a savings account. Interest commonly compounds quarterly. This calculator applies the compound-interest formula A = P(1 + r/n)^(nt) to show your maturity value and total interest, so you can compare FD offers and plan around the lock-in period.

Why is it used?

FDs are a low-risk way to grow savings. Calculating maturity in advance helps you compare rates across banks, choose a tenure, and decide between cumulative (interest at maturity) and payout options based on your income needs.

Who should use it?

Conservative savers, retirees seeking predictable returns, and anyone parking a lump sum safely for a fixed period.

How it works

Enter Deposit Amount, Annual Interest Rate (%), Tenure (years), Compounding in the input fields.
The calculator validates your entries and applies the correct fixed deposit formula.
Results update in real time as you change any value — no submit button needed.
Review the formula, variable definitions, and worked example below to see how the answer is derived.

Formula

A = P (1 + \frac{r}{n})^{n t}

Variable definitions

Variable	Meaning
A	Maturity amount
P	Deposit principal
r	Annual interest rate as a decimal
n	Compounding periods per year (usually 4)
t	Tenure in years

How the formula works

Convert the FD rate to a decimal: r = rate ÷ 100.
Use n = 4 for the common quarterly compounding.
Raise (1 + r/n) to the power n × t.
Multiply by principal P; interest = A − P.

Example calculation

₹2,00,000 FD at 7% for 3 years, compounded quarterly.

Input	Value
Principal	₹2,00,000
Rate	7%
Tenure	3 years
Compounding	Quarterly

r = 0.07, n = 4, t = 3
A = 200000 × (1 + 0.07/4)^(12)
A = 200000 × (1.0175)^12
A ≈ ₹2,46,089

Result

Maturity ≈ ₹2,46,089; interest earned ≈ ₹46,089.

More examples

Same FD held for 5 years instead of 3.

Input	Value
Principal	₹2,00,000
Rate	7%
Tenure	5 years

(1.0175)^20 = 1.4148
A ≈ ₹2,82,956

Result

≈ ₹2,82,956 — longer tenure earns more interest.

Methodology

Gather Deposit Amount, Annual Interest Rate (%), Tenure (years), Compounding from your documents or estimates.
Enter each value in the matching field; units must match the labels.
The calculator applies the Fixed Deposit formula and updates results in real time.
Compare scenarios by changing one input at a time.

Benefits

Know your guaranteed maturity amount in advance.
Compare FD rates and tenures across banks.
Plan around the lock-in period before committing.
Choose between cumulative and payout options confidently.

Use cases

Parking emergency funds or surplus cash safely.
Retirees seeking predictable, low-risk returns.
Saving for a goal with a known time horizon.
Comparing FD returns against other instruments.

Tips & important notes

Senior citizens usually get a higher FD rate — check eligibility.
Premature withdrawal often incurs a penalty and lower rate.
Interest is taxable; TDS may apply above threshold limits.
Compare cumulative vs payout based on whether you need regular income.

Common mistakes

Assuming annual compounding when banks usually compound quarterly.
Ignoring tax (TDS) on interest when estimating returns.
Overlooking premature-withdrawal penalties.

Related concepts

Compound interest and compounding frequency
Recurring deposits for monthly contributions
TDS on interest income

Good to know

Maturity estimates assume quarterly compounding and ignore TDS and premature-withdrawal penalties. Confirm the exact rate and compounding method with your bank.