Fixed Deposit (FD) Calculator (India)
Calculate FD maturity amount, interest earned, and effective annual return for fixed deposits in India with optional tax and inflation adjustment.
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🏦 Fixed Deposit (FD) Calculator (India)
A Fixed Deposit (FD) Calculator helps you estimate the maturity amount, interest earned, and effective annual return on your fixed deposit investment in India.
Fixed Deposits are one of the most popular and trusted investment options in India due to their predictable returns, capital safety, and simplicity. This calculator helps you understand exactly how much your FD may grow over time based on the deposit amount, interest rate, tenure, and compounding frequency.
📘 What is a Fixed Deposit (FD)?
A Fixed Deposit (FD) is an investment where you deposit a lump sum amount with a bank or financial institution for a fixed tenure at a pre-decided interest rate.
Key characteristics of an FD:
- Fixed interest rate
- Fixed tenure
- Guaranteed returns (subject to institution stability)
- Interest compounded at regular intervals
- Optional periodic interest payout (non-cumulative FD)
In India, FDs are widely used for capital preservation, short-to-medium term goals, and low-risk investing.
🧮 What this FD Calculator does
This FD calculator estimates:
- Maturity Amount – Total value at the end of the FD tenure
- Total Interest Earned – Interest gained over the deposit period
- Effective Annual Yield (EAY) – Actual annual return after compounding
Optional:
- Post-tax returns
- Inflation-adjusted (real) value
- Periodic interest payout (non-cumulative FD)
The calculator uses standard FD compound interest formulas followed by banks in India.
🧭 How to use the FD Calculator (Quick Guide)
- Enter the Deposit Amount
- Enter the Interest Rate (% per annum)
- Choose the Tenure (years or months)
- Select the Compounding Frequency
- (Optional) Open Advanced Options to add Tax rate, Inflation rate, and Interest payout type
- View the results instantly
The calculator updates results automatically as you change inputs.
🧾 Inputs explained
Deposit Amount
The lump sum amount you invest in the fixed deposit.
Example: ₹1,00,000
Interest Rate (% p.a.)
The annual interest rate offered by the bank or institution.
Example: 6.75%
Tenure
The duration for which the money remains locked in the FD. You can choose tenure in years or months.
Example:
- 3 years
- 18 months
Compounding Frequency
How often interest is added back to the deposit.
Common options in India:
- Quarterly (most common)
- Monthly
- Half-Yearly
- Annually
Higher compounding frequency slightly increases the maturity amount.
📐 FD calculation formula
For cumulative fixed deposits, the calculator uses:
Maturity Amount = P × (1 + r/n)^(n × t)
Where:
- P = Deposit Amount
- r = Annual interest rate (in decimal)
- n = Compounding frequency
- t = Tenure in years
📊 Understanding the results
Maturity Amount
The total amount you receive at the end of the FD tenure.
Total Interest Earned
Difference between maturity amount and deposit amount.
Interest Earned = Maturity Amount − Deposit Amount
Effective Annual Yield (EAY)
Shows the actual annual return after considering compounding. This helps compare FDs with different compounding frequencies fairly.
🔁 Cumulative vs Non-Cumulative FD
Cumulative FD
- Interest is reinvested
- Higher maturity value
- Best for long-term growth
Non-Cumulative FD
- Interest paid out periodically (monthly, quarterly, or annually)
- Principal returned at maturity
- Suitable for regular income needs
The calculator supports both options.
🧾 Tax impact on FD returns (India)
Interest earned on fixed deposits is taxable in India as per your income tax slab.
Using the optional Tax Rate input, the calculator shows:
- Tax on interest
- Post-tax maturity amount
This helps you estimate actual take-home returns, not just nominal returns.
📉 Inflation-adjusted FD returns
Inflation reduces the real purchasing power of money over time.
With inflation adjustment enabled, the calculator shows:
- Real maturity value
- Value of returns in today’s money
This is especially useful for long-term FDs and goal-based planning.
✅ Why use this FD Calculator?
- India-specific FD logic
- Supports cumulative & non-cumulative FDs
- Tax and inflation adjustments
- Clean, intuitive interface
- No assumptions or hidden presets
- Works instantly without sign-up
⚠️ Assumptions & limitations
- Interest rate remains constant throughout the tenure
- No premature withdrawal or penalty is considered
- Tax treatment may vary based on individual circumstances
- Results are estimates, not guarantees
❓ Frequently Asked Questions (FAQs)
Is FD interest compounded monthly or quarterly?▼
Most banks in India compound FD interest quarterly, but it varies by institution.
Is FD interest taxable?▼
Yes. FD interest is taxable as per your income tax slab.
Which FD is better: cumulative or non-cumulative?▼
Cumulative: better for wealth accumulation. Non-cumulative: better for regular income.
Does inflation affect FD returns?▼
Yes. Inflation reduces the real value of returns, especially over longer tenures.
📝 Final note
This FD Calculator is designed to help you plan better, compare options, and understand returns clearly before investing in a fixed deposit.
Always confirm rates and terms with your bank or financial institution before investing.