FD Calculator
Work out what a fixed deposit will be worth at maturity, given the amount, the interest rate, the term and how often interest compounds. Compounding frequency is the part people overlook, and it is why two deposits at the same headline rate can mature at different amounts.
This is an illustrative estimate. It applies the standard compound-interest formula at the rate you enter — your bank's actual payout can differ due to its exact day-count rules, TDS deducted on interest, and premature-withdrawal penalties. Confirm the maturity amount with your bank; this is not financial advice. Amounts work in any currency.
How to calculate FD maturity value
- Enter the amount you’re depositing.
- Enter the annual interest rate your bank offers.
- Enter the duration and pick the compounding frequency (quarterly for most Indian banks).
- Read the maturity value and interest earned below.
When you'd use this
- Comparing bank offers — Two deposits at similar rates may compound differently, which changes the maturity value.
- Planning for a known expense — Checking whether a deposit will reach the amount you need by the date you need it.
- Choosing a term — Seeing what an extra year adds before committing your money for longer.
- Checking a bank's figure — Confirming a quoted maturity amount against the rate and term you were given.
Good to know
- Compounding frequency matters — Quarterly is the usual choice at Indian banks, but monthly, half-yearly and yearly are all offered here. More frequent compounding produces a slightly higher maturity value at the same rate.
- Interest is usually taxable — Fixed deposit interest is generally taxed as income, and banks may deduct tax at source. The figure shown is before any tax.
- Breaking a deposit early costs you — Most banks apply a penalty and a reduced rate on premature withdrawal, so the maturity figure assumes you hold the deposit to term.
- It works in any currency — The formula is arithmetic and currency-neutral — results come back in whatever units you enter.
Frequently asked questions
What formula does this use?
Standard compound interest: A = P × (1 + r/(100 × n))^(n × t), where P is the deposit, r the annual rate, n compounding periods per year, and t years.
Why quarterly compounding by default?
Most Indian banks compound fixed deposit interest quarterly. If your bank states a different frequency, pick it from the dropdown — the difference matters over long durations.
Does this account for TDS or tax?
No — it shows gross maturity value. Interest on FDs is taxable, and banks deduct TDS above a threshold. Your post-tax return depends on your tax situation.
What formula does this use?
The standard compound interest formula A = P(1 + r/n)^(nt), where P is your deposit, r the annual rate, n the number of times interest compounds each year, and t the number of years.
Why does quarterly compounding pay more than yearly?
Because interest is added to the balance sooner and then earns interest itself. At the same headline rate, more frequent compounding always produces a slightly larger maturity amount.
Is the maturity amount shown before or after tax?
Before tax. Interest on a fixed deposit is normally taxable as income and banks often deduct tax at source, so what actually reaches you will usually be lower.