Fixed Deposit Calculator: How Your Interest Actually Grows
Quarterly compounding, tenure choice and the FD interest table explained.
A fixed deposit is the quiet achiever of personal finance: guaranteed returns, no market risk. The subtle part is how banks compound interest — quarterly, for most Indian banks.
Try the FD calculator
Compounding frequency matters
₹1 lakh at 7% for 5 years with quarterly compounding earns ₹41,762 in interest. With simple interest you'd earn only ₹35,000. Small difference per year — large difference over time.
₹1L
at 7% for 5 years
₹41.8K
interest (quarterly compounding)
7%
typical senior-citizen premium included
Tenure sweet spots
| Tenure | Interest rate (indicative) | Maturity on ₹1L |
|---|---|---|
| 1 year | 6.5% | ₹1,06,680 |
| 3 years | 7.0% | ₹1,23,290 |
| 5 years | 7.0% | ₹1,41,762 |
- Compare rates across banks and NBFCs (FD rates differ by up to 1%).
- Senior citizens usually get a +0.50% premium.
- Lock the tenure that matches your goal — premature withdrawals cost interest.
- Consider breaking a deposit only when the new rate beats the penalty.
FAQ
Frequently asked questions
Calculate your FD returns
Compounding, tenure and maturity charts — free and private.
Amar Lodhi
Founder, Vizo Tool
Written by Amar Lodhi, who builds fast, private, browser-based tools that save people time.
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