What this calculation tells you
This fixed-deposit estimator models a cumulative deposit: interest remains in the deposit instead of being paid out periodically. The maturity figure includes both your deposit and modelled interest before tax.
Enter the actual annual nominal rate offered for your tenure and customer category. This page does not fetch bank rates. Frequency and partial-period conventions matter, so use the bank’s maturity quote when you are deciding what contract to enter.
The method, explained
Maturity = P × (1 + annual rate ÷ (100 × k))^(k × months ÷ 12) k = compounding periods per year
The inputs use the units printed beside each field. Values shown in result cards are rounded for readability; the calculator keeps more precision while applying the formula.
A worked example
Deposit amount: ₹1,00,000.00 · Annual nominal rate: 7 % · Deposit tenure: 36 months · Compounding: Quarterly.
Estimated maturity amount: ₹1,23,143.93
This example uses the inputs above. Your result changes when you change them.
Assumptions & limitations
- Fractional compounding periods use the power formula; a bank may treat an incomplete period differently.
- Tax deductions, premature withdrawal penalties and non-cumulative payouts are not included.
- All interest is assumed to be reinvested.
Questions about this tool
Is this a live bank-rate comparison?
No. The rate is entered by you and the default is an example.
Why can bank maturity be slightly different?
Actual deposit dates, day-count rules, payout choice, rounding and partial periods can differ from this model.
Context checked 30 September 2026. External sources do not endorse this tool.
Published by Sanu Tech Innovation LLP · Model notes updated 30 September 2026. Read our calculation standards or report a reproducible issue.