FD Calculator
Work out the maturity value and interest on a bank fixed deposit with quarterly, monthly or yearly compounding.
FD maturity formula
A = P × (1 + r/q)q×t, where q is the number of compounding periods per year. Most Indian banks compound fixed deposits quarterly.
Example
₹1,00,000 at 7% for 5 years with quarterly compounding matures at about ₹1.41 lakh, so the interest is roughly ₹41,500.
Tax on FD interest
FD interest is added to your income and taxed at your slab rate. Banks deduct TDS when interest crosses the annual threshold, and you can submit Form 15G/15H if your income is below the taxable limit. Because of tax, your post-tax return can be well below the headline rate for people in higher slabs.
Cumulative vs payout FDs
A cumulative FD reinvests interest and pays everything at maturity, so it compounds. A payout FD pays interest monthly or quarterly, so the effective return is lower unless you reinvest the payouts yourself. This calculator models the cumulative option.
Frequently asked questions
Which compounding is best?
More frequent compounding gives a slightly higher maturity amount at the same stated rate.
Is FD interest taxable?
Yes, it is taxed at your income-tax slab rate.
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Last reviewed: October 2026. Results are estimates, not financial advice.