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Fixed Deposit Calculator: How Your Interest Actually Grows

Quarterly compounding, tenure choice and the FD interest table explained.

AAmar LodhiFounder, Vizo Tool July 24, 2026 Updated August 2, 2026 1 min read
Fixed Deposit Calculator: How Your Interest Actually Grows

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.

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FD Calculator

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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

TenureInterest rate (indicative)Maturity on ₹1L
1 year6.5%₹1,06,680
3 years7.0%₹1,23,290
5 years7.0%₹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

Most Indian banks compound quarterly, but frequency varies — always check the FD terms.
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Compounding, tenure and maturity charts — free and private.

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A

Amar Lodhi

Founder, Vizo Tool

Written by Amar Lodhi, who builds fast, private, browser-based tools that save people time.

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