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FD Calculator

Estimate fixed deposit maturity amount and interest earned using deposit amount, rate, tenure, and compounding frequency.

  • fixed deposit
  • fd interest
  • maturity amount

Choose cumulative reinvestment or a simple periodic payout estimate before tax.

Status: initial

Results

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Explore your result

Fixed-deposit maturity value

Explore the fd calculator result visually while keeping this page's detailed guidance and examples.

₹112,000.00Total

Fixed-deposit maturity value

Principal
₹100,000.00
Interest
₹12,000.00

Use this result well

  1. 1Verify the calculator inputs.
  2. 2Compare the key result relationships.
  3. 3Review the page guidance before acting.

Tax and premature-withdrawal rules can reduce actual proceeds.

Calculator guide

Introduction

The FD Calculator estimates fixed deposit maturity amount, interest earned, effective yield, payout income, and tenure comparisons for India-focused savings planning.

What is an FD calculator?

A fixed deposit calculator helps compare cumulative and payout-style FD outcomes using deposit amount, annual rate, tenure, and compounding frequency. It is useful for checking maturity value, interest income, and how tenure or compounding changes the result.

FD maturity formula

For cumulative FDs, the calculator uses compound interest: A = P x (1 + r / n) ^ (n x t). For payout-style planning, it estimates simple periodic interest before tax while keeping principal as the maturity amount.

Variable explanations

Understand what each input and result means before calculating.

Deposit amount

The principal amount placed in the fixed deposit.

Annual interest rate

The stated annual FD rate used for the estimate, entered as a percentage.

Tenure

The deposit duration in years, months, or days.

Compounding frequency

How often interest is added to the balance for cumulative FD estimates.

Interest payout option

Cumulative reinvests interest; periodic payout estimates monthly or quarterly income before tax.

Effective annual yield

The annualized return after compounding is considered.

Maturity amount

The estimated amount returned at the end of the selected tenure.

Interest earned

The estimated interest generated by the FD.

Reviewed by the Calculator.org.in Editorial Team

Formula behavior, validation cases, explanatory examples, and cited sources are checked before publication. This review supports educational accuracy and is not a substitute for qualified professional advice.

Last reviewed: 2026-08-03

Review process

Formula guide

See the calculation logic, variable definitions, and practical meaning.

Cumulative FD maturity amount

A = P x (1 + r / n) ^ (n x t)

  • P is the deposit amount.
  • r is the annual interest rate as a decimal.
  • n is the compounding periods per year.
  • t is tenure in years.

This estimates an FD where interest is reinvested and paid with principal at maturity.

Interest earned

Interest = A - P

  • A is maturity amount.
  • P is principal deposit amount.

Interest earned shows the estimated growth above the original deposit.

Effective annual yield

EAY = ((1 + r / n) ^ n - 1) x 100

  • r is annual interest rate as a decimal.
  • n is compounding periods per year.

Effective annual yield shows the yearly effect of compounding.

Monthly payout estimate

Monthly payout = P x r / 12

  • P is deposit amount.
  • r is annual interest rate as a decimal.

This estimates pre-tax monthly interest for non-cumulative income planning.

Quarterly payout estimate

Quarterly payout = P x r / 4

  • P is deposit amount.
  • r is annual interest rate as a decimal.

This estimates pre-tax quarterly interest for payout-style FD planning.

Tenure conversion

Years = months / 12 or days / 365

  • Tenure may be entered in years, months, or days.

The calculator normalizes tenure to years before applying the formula.

Compounding frequency

n = 12, 4, 2, or 1

  • Monthly compounding uses 12.
  • Quarterly compounding uses 4.
  • Half-yearly compounding uses 2.
  • Yearly compounding uses 1.

Higher compounding frequency can slightly increase cumulative maturity.

Worked examples

Follow realistic inputs through the calculation step by step.

1

Worked example

Cumulative FD with quarterly compounding

  1. 1Deposit amount is 1,00,000.
  2. 2Annual interest rate is 7%.
  3. 3Tenure is 5 years.
  4. 4Quarterly compounding estimates maturity at about 1.41 lakh.
2

Worked example

Monthly payout planning

  1. 1Deposit amount is 5,00,000.
  2. 2Annual interest rate is 7.2%.
  3. 3Estimated monthly payout before tax is deposit x rate / 12.
  4. 4The final principal is shown separately from periodic interest income.
3

Worked example

Comparing compounding frequency

  1. 1Use the compounding comparison table.
  2. 2Review monthly, quarterly, half-yearly, and yearly maturity values.
  3. 3Choose the frequency matching the FD product terms.
  4. 4Do not compare bank offers with mismatched compounding assumptions.
4

Worked example

Short-tenure FD in months

  1. 1Enter tenure as months.
  2. 2The calculator converts months to years.
  3. 3Maturity is estimated using the selected compounding frequency.
  4. 4Actual short-term FD calculations can depend on institution rules.
5

Worked example

FD rate and tenure check

  1. 1Review the tenure comparison table.
  2. 2Compare 1-year, 3-year, and selected-tenure maturity values.
  3. 3Use it to see whether longer locking periods materially improve interest.
  4. 4Check liquidity needs before choosing a longer FD.
6

Worked example

Zero interest example

  1. 1Deposit amount is 50,000.
  2. 2Interest rate is 0%.
  3. 3Maturity amount remains 50,000.
  4. 4Interest earned is 0.
7

Worked example

Tax and premature withdrawal review

  1. 1Check estimated interest before tax.
  2. 2Review whether the institution applies TDS.
  3. 3Read premature withdrawal terms before breaking an FD.
  4. 4Use the result as a planning estimate, not a bank quote.

Common mistakes

Avoid these common input and interpretation errors.

Ignoring tax and TDS

FD interest may be taxable, and banks or NBFCs may deduct TDS according to applicable rules.

Using the wrong compounding frequency

Monthly, quarterly, half-yearly, and yearly compounding can produce different cumulative maturity values.

Confusing cumulative FD with payout FD

Cumulative FDs reinvest interest, while payout-style FDs provide periodic income and may have a lower final maturity amount.

Ignoring premature withdrawal rules

Breaking an FD early may change the applicable rate or add penalties.

Comparing rates without comparing tenure

A higher rate may apply only to a specific tenure, customer category, or deposit amount.

Treating payout estimates as guaranteed income

Periodic payout estimates are before tax and may differ from the institution's exact product formula.

Treating estimates as product quotes

Actual bank or NBFC calculations depend on product-specific terms, dates, and rounding rules.

Frequently asked questions

Quick answers to the questions users ask most often.

What does an FD calculator estimate?
It estimates maturity amount, interest earned, effective annual yield, and payout-style interest for a fixed deposit.
What formula does this FD calculator use?
For cumulative FDs, it uses A = P x (1 + r / n) ^ (n x t). For payout planning, it estimates simple periodic interest before tax.
What is maturity amount?
Maturity amount is the estimated amount returned at the end of the FD tenure.
What is interest earned?
Interest earned is the estimated interest generated by the fixed deposit.
What is effective annual yield?
Effective annual yield is the annualized return after compounding frequency is considered.
Which compounding frequencies are supported?
Monthly, quarterly, half-yearly, and yearly compounding are supported.
Can I compare monthly and quarterly compounding?
Yes. The compounding comparison table shows estimated maturity and interest for each supported frequency.
Can I enter tenure in months?
Yes. Choose months as the tenure unit.
Can I enter tenure in days?
Yes. Days are converted to years using a 365-day year for this estimate.
What happens at 0% interest?
Maturity amount equals the deposit amount and interest earned is 0.
Does this FD calculator include monthly payout?
It includes a simple monthly and quarterly payout estimate before tax for income planning.
Is payout FD the same as cumulative FD?
No. Cumulative FDs reinvest interest, while payout-style FDs pay interest periodically.
Does this include tax?
No. It shows pre-tax estimates and includes a tax reminder.
Can premature withdrawal change the result?
Yes. Early withdrawal may change the applicable rate, reduce interest, or add penalties.
Does this compare tenure options?
Yes. The tenure comparison table shows 1-year, 3-year, and selected-tenure estimates.
Is FD interest guaranteed?
Terms depend on the institution and deposit product. This calculator is an educational estimate.
Is senior citizen FD interest included?
You can enter the senior citizen rate manually if it applies to the product you are checking.
What is FD vs RD?
An FD usually starts with one lump-sum deposit, while an RD uses recurring deposits over time.
What is FD vs savings account?
An FD usually has a fixed tenure and rate, while savings accounts are more liquid and rates can vary.
Can this replace a bank maturity certificate?
No. Use it for planning and verify final values with the bank or NBFC.
Is this financial advice?
No. It is an educational estimate and not financial advice or a product quote.

References

Sources used to support the calculator guidance.

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Version history

A transparent record of calculator content updates.

Updated 2026-08-03
  • 1.1.0 · 2026-08-03

    Added payout estimates, effective annual yield, maturity breakup, compounding comparison, tenure comparison, tax caveats, and SERP-led planning guidance.

  • 1.0.0 · 2026-07-04

    Initial production release with FD maturity estimate, interest earned, tenure units, compounding frequencies, and payout placeholder.