FD Calculator
Estimate fixed deposit maturity amount and interest for different rates, tenures and compounding choices.
Fixed deposit result
Estimate the maturity amount, interest earned and yield from deposit amount, rate, tenure and compounding.
FD Calculator
Enter values and calculate instantly.
What is the FD Calculator?
A fixed deposit is a lump-sum bank deposit where interest is added over a fixed tenure. This calculator estimates maturity value, total interest and effective annual yield from the deposit amount, annual rate, tenure and compounding frequency.
Formula used
Formula: Maturity = Principal x (1 + annual rate / compounding frequency)^(compounding frequency x years). Interest = Maturity - Principal.
For FD estimates, keep the interest rate annual and choose the compounding option that matches the bank offer you are comparing.
Input guide
| Principal | The one-time amount placed in the fixed deposit. |
|---|---|
| Annual rate | The yearly interest rate offered by the bank or financial institution. |
| Compounding | How often interest is added to the deposit balance. |
| Tenure | The period for which the money remains deposited. |
Real-world examples and use cases
- Compare two bank FD offers with the same deposit amount and tenure.
- Check how a longer tenure changes interest earned.
- Estimate renewal value before reinvesting a matured deposit.
- Compare FD maturity with RD, SIP or compound interest alternatives.
Common mistakes
- Entering a monthly rate in the annual rate field.
- Ignoring TDS or tax on interest.
- Comparing quarterly and monthly compounding without changing the input.
- Assuming premature withdrawal will give the same maturity value.
Limitations of this calculator
The calculator does not include tax deduction, premature withdrawal penalty, senior-citizen rate changes, auto-renewal terms or bank-specific rounding.
How to use this result
This page is most useful for fixed deposit maturity planning. Start with values that match your real situation, then change one input at a time to understand what affects the result most.
Use the result for choosing a deposit tenure, comparing bank offers and estimating interest before renewal. If the number will be used for an official, financial, technical or purchase decision, keep the input values with the result so the estimate can be checked later.
Practical comparison table
| Short tenure | Useful when you may need the money soon, but interest may be lower. |
|---|---|
| Long tenure | Can improve compounding but may reduce flexibility. |
| Higher rate | Raises maturity, but always check bank terms and premature withdrawal rules. |
Before you rely on the answer
- Check whether the displayed bank rate is annual.
- Match the compounding option with the offer document.
- Keep a note of whether interest is taxable for your case.
FD comparison notes
When comparing FDs, keep the deposit amount and tenure the same for each bank. Then change only the interest rate or compounding frequency. This makes it easier to see whether the higher advertised rate truly creates a meaningful maturity difference.
| Situation | What to check |
|---|---|
| Renewal decision | Compare maturity after renewal with the interest you could earn elsewhere. |
| Emergency money | Avoid locking all emergency funds if premature withdrawal penalties are high. |
Frequently Asked Questions
Does FD maturity include tax?
No. The result is a pre-tax estimate unless you manually adjust the rate or interest value.
Why does compounding frequency matter?
More frequent compounding credits interest more often, which can slightly increase maturity at the same annual rate.
Can I compare two banks with this page?
Yes. Enter the same principal and tenure, then change the rate or compounding option for each bank offer.
Helpful tips
- Check every input label before using the final result.
- Compare at least two scenarios for better planning.
- Keep units and periods consistent across all fields.
- Use official records or provider terms for final decisions.
Before you rely on the result
Estimate the maturity amount, interest earned and yield from deposit amount, rate, tenure and compounding.