💰 FD Calculator

Calculate your FD maturity amount and interest earned — supports USD, GBP, EUR, INR, AUD and more, with optional inflation and tax adjustments

🏦 Deposit Details
$
Typical US CD rates: ~4.5–5.3%
YearsMonths (0–11)
📈 Results
Maturity Amount
Total Interest Earned
Effective Annual Yield
Principal vs Interest
Year-wise Growth
💰

Enter Deposit Details

Fill in your deposit amount, interest rate, tenure, and compounding frequency to see the maturity value.

Guide

What Is the FD Calculator?

Last updated: July 2026 · Reviewed by the NeftCal editorial team

An FD calculator projects exactly what a Fixed Deposit (FD) — a lump sum locked with a bank for a fixed tenure at a guaranteed interest rate — will be worth when it matures. Built around India's FD conventions and RBI-aligned norms, this FD maturity calculator, FD interest calculator, and FD account calculator in one also supports 10 currencies (USD, GBP, EUR, INR, AUD, CAD, SGD, AED, JPY, BRL), so it works equally well as a term deposit calculator, CD calculator, or GIC calculator wherever your money is parked.

Enter your deposit amount, the annual rate your bank quotes, the tenure, and how often interest compounds, and the calculator applies the same compound-interest math your bank uses internally: A = P × (1 + r/n)^(n×t). It then goes a step further than most bank FD receipts by showing your effective annual yield (always slightly higher than the nominal rate once compounding is accounted for), and — if you switch on the optional toggles — your post-tax interest after your marginal tax rate, and your inflation-adjusted real return in today's purchasing power.

Who Should Use This Calculator

This tool suits salaried savers parking a bonus or lump sum, retirees comparing FD income against Post Office schemes like SCSS, NRIs comparing NRE/NRO FD options, and anyone who wants to know — before walking into a branch — exactly how much a 1-year, 3-year, or 5-year FD will actually pay out once compounding, tax, and inflation are accounted for.

Why It Matters for Financial Planning

An FD is one of the few investments where the return is locked in and known in advance, which makes it a natural anchor for short-to-medium-term goals, an emergency fund, or the conservative portion of a portfolio. But the headline rate a bank advertises isn't the whole story — quarterly compounding versus monthly compounding changes your effective yield, TDS and your income-tax slab change what you actually keep, and inflation quietly erodes the real value of a "safe" return. Running the numbers before you commit money for years at a time is one of the simplest, highest-value checks in personal finance.

Common Scenarios

  • Comparing a bank FD against a Recurring Deposit when you don't have the full lump sum on hand yet
  • Checking an FD's maturity value against a Post Office scheme like NSC or SCSS before choosing where to invest
  • Comparing India FD rates against a US-style Certificate of Deposit for an NRI or cross-border saver
  • Working out whether a 5-year tax-saving FD under Section 80C is worth the mandatory lock-in versus a regular FD
  • Estimating a senior citizen's FD income after the extra 0.25–0.75% rate bump most Indian banks offer

Tips for Accurate Results

  • Match the Compounding Frequency dropdown to your bank's actual FD terms — quarterly compounding is standard for most Indian bank FDs, but some accounts compound monthly or annually
  • Turn on the tax toggle and enter your marginal income-tax slab rate for a realistic post-tax comparison, since FD interest is fully taxable as "Income from Other Sources"
  • Turn on the inflation toggle if you're saving for a goal several years out, so you compare the FD's real (purchasing-power) return, not just its nominal maturity value
  • Compare rates across at least 2–3 banks, including small finance banks, before locking in — spreads of 1–2 percentage points on the same tenure are common
  • Re-run the calculation with your bank's senior citizen rate if applicable — the extra 0.25–0.75% compounds meaningfully over a 3–5 year tenure
Formula

How FD (Fixed Deposit) Maturity Is Calculated

The standard compound-interest formula banks use to grow your lump-sum deposit

FD Maturity Formula
A = P × (1 + r/n)^(n×t)

Effective Annual Yield = (1 + r/n)ⁿ − 1

Real Gain (inflation-adjusted) = A ÷ (1 + inf)ᵗ − P

Post-Tax Interest = (A − P) × (1 − taxRate)

Where:
A = FD maturity amount, P = Principal (deposit amount)
r = Annual interest rate (decimal), n = Compounding frequency per year (1, 2, 4, or 12)
t = Tenure in years, inf = Expected annual inflation rate, taxRate = Your marginal tax rate

⚙️ Why This Formula Works

Each time interest compounds, it's calculated on the principal plus all previously earned interest, not just the original deposit — so the balance grows a little faster with every compounding period. Spreading the annual rate r across n compounding periods per year (r/n) and applying it n×t times over the tenure captures this snowball effect precisely, which is why the effective annual yield always runs slightly above the quoted nominal rate whenever compounding is more frequent than once a year.

🎯 When to Use This Formula

  • Projecting the maturity value of a cumulative (reinvestment) bank FD
  • Comparing FD offers that quote different compounding frequencies
  • Estimating post-tax, inflation-adjusted real returns before committing funds
  • Sanity-checking a bank's FD receipt or maturity advice against the standard formula

📋 Assumptions

  • A single lump-sum deposit made at the start of the tenure (not a recurring deposit)
  • The interest rate stays fixed for the entire tenure — no mid-term rate resets
  • Interest is reinvested each period (cumulative FD), not paid out (non-cumulative)
  • No premature withdrawal, and no fees other than the tax rate you optionally enter

⚠️ Limitations of the Formula

  • Doesn't model a non-cumulative (payout) FD where interest is paid monthly or quarterly instead of compounding
  • Doesn't apply actual TDS mechanics — the tax toggle is a flat estimate on your entered rate
  • Doesn't account for premature-withdrawal interest-rate penalties
  • Assumes one consistent compounding frequency for the full tenure
Walkthrough

Step-by-Step: How to Use the FD Calculator

From currency to maturity value in under a minute

Choose your currency

Select the currency your FD is (or will be) held in from the 10 supported options. This resets the typical-rate hint and default deposit range to match that market — around 6.5–7.5% for INR, 4.5–5.3% for USD.

Enter your principal amount

Input the lump sum you plan to deposit. This is the single number the whole projection scales from, so double-check it before moving on.

Enter the annual interest rate

Use the exact rate your bank quoted — the calculator treats your entry as the nominal annual rate before compounding, not the effective yield.

Set the tenure and compounding frequency

Enter the tenure in years and months, then pick annual, semi-annual, quarterly, or monthly compounding to match your FD's actual terms — quarterly is most common for Indian bank FDs.

Optionally add tax and inflation, then calculate

Tick the tax toggle and enter your marginal slab rate for a post-tax figure, tick the inflation toggle for a real-return figure, then click Calculate Maturity to see your maturity amount, interest earned, and effective annual yield.

Example

Worked Example

A realistic INR fixed deposit calculation, step by step

Scenario

Suppose you deposit ₹1,00,000 in a bank FD at 7% annual interest, compounded quarterly, for a 3-year tenure — this calculator's own INR defaults.

Principal (P)₹1,00,000
Annual Rate (r)7%
Compounding (n)Quarterly (4)
Tenure (t)3 years
Tax Rate (optional)30%
Inflation (optional)5%
Step 1 — Apply the maturity formula: A = 100,000 × (1 + 0.07/4)^(4×3) = 100,000 × (1.0175)¹² ≈ ₹1,23,144.
Step 2 — Interest and effective yield: Interest = 1,23,144 − 1,00,000 = ₹23,144. Effective Annual Yield = (1.0175)⁴ − 1 ≈ 7.19% — slightly above the 7% nominal rate because of quarterly compounding.
Step 3 — Post-tax interest (30% slab): Post-tax interest = 23,144 × (1 − 0.30) ≈ ₹16,201 — the amount you actually keep after tax.
Step 4 — Real return (5% inflation): Real maturity = 1,23,144 ÷ (1.05)³ ≈ ₹1,06,379. Real gain = 1,06,379 − 1,00,000 ≈ ₹6,379 — your actual increase in purchasing power.
Maturity Amount
₹1,23,144
Total Interest
₹23,144
Effective Annual Yield
7.19%

Explanation: The effective annual yield (7.19%) runs above the quoted 7% nominal rate purely because of quarterly compounding — the more frequent the compounding, the wider this gap grows. After a realistic 30% tax slab, the ₹23,144 in interest shrinks to about ₹16,201 actually kept, and after 5% inflation over the 3-year tenure, the real (purchasing-power) gain is only about ₹6,379 — a useful reminder that an FD's "safe" nominal return and its real, after-tax return can look quite different.

Interpretation

Understanding Your Results

What your effective annual yield actually tells you

Once you have your effective annual yield, it helps to see where it sits relative to inflation. A yield that barely beats — or loses to — inflation means the FD is preserving capital more than growing it in real terms.

Effective Yield vs. InflationGeneral ReadTypical Context
2%+ above inflationSolid real returnHigher-rate environments or small finance bank FDs
Roughly in line with inflationCapital preservation, minimal real growthTypical large-bank FD at moderate inflation (India ~5%)
Below inflationReal value is shrinkingLow-rate currencies (e.g. JPY, EUR) or high-inflation periods

For conservative savers: an FD's main job is safety and predictability, not beating inflation by a wide margin — if your effective yield roughly matches or modestly exceeds inflation after tax, it's doing its job as a capital-preservation tool within a broader portfolio.

For growth-focused investors: a real return near zero or negative after tax and inflation is a signal that FDs alone won't meaningfully grow wealth — consider whether some of that allocation belongs in a market-linked instrument like a SIP instead, if your risk tolerance and time horizon allow it.

Risk considerations: this calculator assumes the quoted rate holds for the full tenure, with no premature withdrawal and no missed compounding periods. It doesn't model TDS deduction mechanics precisely, deposit-insurance limits, or bank-specific penalty terms. Use the result as a planning estimate, not a final maturity figure.

ℹ️

This tool provides general financial estimates for educational purposes only and does not constitute personalized financial or tax advice. FD rates, tax rules, and deposit insurance limits vary by bank, tenure, and country — confirm final figures with your bank or a licensed financial advisor before investing.

Use Cases

Practical Use Cases for the FD Calculator

Where this FD calculator earns its keep

🆘

Emergency fund parking

Project the maturity value of a 6–12 month FD used to hold an emergency cushion.

🎯

Short-term goal saving

Plan a 1–3 year FD toward a specific goal like a wedding, vacation, or down payment.

👴

Senior citizen income planning

Compare a senior-citizen FD rate against Post Office SCSS for retirement income.

🧾

Tax-saving 5-year FD

Check whether the Section 80C deduction on a tax-saving FD offsets its mandatory lock-in.

🌍

NRE/NRO FD comparison

Compare NRE and NRO FD maturity values for NRIs deciding where to park foreign or domestic income.

🪜

FD laddering strategy

Model several FDs with staggered tenures to balance liquidity with locked-in rates.

🐖

FD vs RD comparison

Check whether a lump-sum FD or a monthly RD better fits money you're building up over time.

🏤

FD vs Post Office schemes

Compare an FD's maturity value against NSC or SCSS before choosing where to invest.

🏦

Rate-shopping across banks

Quickly see how a 0.5–1% rate difference between banks changes your maturity value.

⚖️

Portfolio de-risking

Size the conservative, guaranteed-return portion of a broader investment portfolio.

🏠

Loan collateral planning

Estimate the maturity value of an FD you're considering pledging as collateral for an overdraft or loan.

💱

Cross-border comparisons

Compare FD-equivalent products across 10 currencies for relocation or international savings planning.

Pros & Cons

Advantages and Limitations

What this FD calculator does well, and where it can't replace professional advice

✅ Advantages

  • Uses the exact compound-interest formula banks apply to real FDs
  • Free, instant, and requires no signup or personal information
  • Runs entirely in your browser — your financial data is never sent to a server
  • Supports 10 currencies for cross-border and NRI comparisons
  • 4 compounding frequencies, matching most real-world FD terms
  • Optional post-tax interest estimate based on your marginal rate
  • Optional inflation-adjusted real return so you see purchasing-power growth, not just nominal growth
  • Shows effective annual yield alongside the nominal rate for a true apples-to-apples comparison
  • Visual charts (principal vs. interest, year-wise growth) for quick interpretation
  • Downloadable plain-text summary of your results
  • Tenure entry in years and months for flexible planning
  • Works equally well for a quick sanity check or detailed rate-shopping
  • Mobile-friendly, fast-loading, no ads blocking the calculator itself

⚠️ Limitations

  • Assumes a fixed rate for the full tenure — can't model floating or promotional-then-standard rates
  • Doesn't model non-cumulative (periodic payout) FDs, only cumulative reinvestment FDs
  • Doesn't apply exact TDS deduction rules or thresholds — the tax toggle is a flat estimate
  • Doesn't account for premature-withdrawal interest-rate penalties
  • Doesn't check deposit-insurance (DICGC/FDIC/FSCS) limits against your entered amount
  • Results are estimates — actual bank figures may differ slightly due to day-count or rounding conventions
  • Doesn't factor in Section 80C eligibility rules for tax-saving FDs automatically
  • Not a substitute for a bank's official maturity advice or licensed financial advice
Reference

Deposit Products Compared

How an FD stacks up against RD, CD, and Post Office schemes

FeatureFD (Fixed Deposit)RD (Recurring Deposit)CD (Certificate of Deposit)Post Office (NSC/SCSS)
Deposit styleOne lump sum upfrontFixed installments (weekly/monthly)One lump sum upfrontOne lump sum upfront
Typical minimum₹1,000–5,000₹100–500/month$500–$1,000₹1,000
Typical tenure7 days – 10 years6 months – 10 years3 months – 5 years5 years (NSC), 5+3 (SCSS)
Backed byBank (DICGC insured up to ₹5L)Bank (DICGC insured up to ₹5L)Bank (FDIC insured up to $250K)Government of India (sovereign)
Best forA lump sum you already haveBuilding up savings without a lump sumUS-based savers wanting a locked rateTax-saving or senior-citizen income

Common Mistakes and Expert Tips

❌ Common Mistakes

  • Comparing the nominal rate across banks instead of the effective annual yield
  • Forgetting that FD interest is fully taxable even if TDS wasn't deducted
  • Not checking the premature-withdrawal penalty before locking in a long tenure
  • Ignoring inflation and treating the nominal maturity value as the "real" return
  • Depositing more than the DICGC/FDIC insurance limit in a single bank
  • Confusing a tax-saving 5-year FD's 80C benefit with tax-free interest — the interest is still fully taxable

💡 Expert Tips & Best Practices

  • Always compare effective annual yield, not the headline nominal rate, across offers
  • Ladder FDs across staggered maturities for periodic liquidity without breaking any single deposit
  • Ask specifically about your bank's senior-citizen and special-tenure rates — they're often not on the standard rate card
  • Use the tax and inflation toggles together for the most realistic net comparison
  • Re-check current rates on your bank's site or the RBI's published data before finalizing — rates move with the repo rate cycle
FAQ

Frequently Asked Questions

Common questions about FD (Fixed Deposit) accounts

How is FD maturity amount calculated?
Maturity amount is calculated using compound interest: A = P × (1 + r/n)^(n×t), where P is the principal, r is the annual interest rate, n is the compounding frequency per year, and t is the tenure in years. This calculator supports annual, semi-annual, quarterly, and monthly compounding.
What currencies does this FD calculator support?
The calculator supports 10 currencies: USD, GBP, EUR, INR, AUD, CAD, SGD, AED, JPY, and BRL, so you can calculate fixed deposit returns in your local currency, though the content on this page is built primarily around Indian FD rules and RBI-aligned norms.
What is effective annual yield and how does it differ from the stated interest rate?
Effective annual yield accounts for compounding within the year, so it's usually slightly higher than the nominal annual rate when compounding is more frequent than annual. For example, a 7% rate compounded quarterly yields a higher effective annual return than a 7% rate compounded annually because interest earns interest more often.
What is inflation-adjusted real return?
Real return is your FD return after subtracting the effect of inflation, showing your actual increase in purchasing power. Enter an expected inflation rate and the calculator computes the real return by adjusting the nominal maturity value for inflation over the tenure.
Does this calculator account for tax on FD interest?
Yes, optionally. Enter your applicable tax rate on interest income and the calculator shows the post-tax interest and post-tax effective yield, since FD interest is taxable income in most jurisdictions, including India where it's added to your total income and taxed at your slab rate.
What's the difference between an FD, a CD, and a term deposit?
Fixed Deposit (FD), Certificate of Deposit (CD), and Term Deposit are the same core product — a lump sum locked with a bank for a fixed tenure at a fixed interest rate — just named differently by region: FD in India, CD in the US, and Term Deposit or GIC in other countries.
Is FD interest taxable?
In most countries, interest earned on an FD is taxable as ordinary income in the year it accrues (even if not yet paid out). In India, banks deduct TDS on FD interest above ₹40,000/year (₹50,000 for senior citizens) under current rules, and you still owe tax at your income slab rate on the full interest regardless of TDS. The US, UK, and EU have their own thresholds and allowances. Consult a tax adviser or your country's tax authority for your specific situation.
What happens if I withdraw my FD early?
Most banks charge a premature FD withdrawal penalty, typically a reduced interest rate (commonly 0.5–1% lower than the contracted rate) applied for the period the FD was actually held. The exact penalty depends on your bank and FD terms. Some banks offer penalty-free or flexible-access FDs at slightly lower rates.
What is the difference between a cumulative and non-cumulative FD?
A cumulative FD (reinvested / growth FD) compounds interest and pays the full principal plus interest at maturity — this maximises the compounding effect and suits wealth building. A non-cumulative FD (payout / income FD) pays interest at regular intervals (monthly, quarterly, or annually) and returns the principal at maturity, which suits those who need periodic income, such as retirees.
How safe is my FD?
In India, the Deposit Insurance and Credit Guarantee Corporation (DICGC), an RBI subsidiary, insures deposits — including FDs — up to ₹5 lakh per depositor per bank. Other countries have equivalent schemes: FDIC in the US (up to $250,000), FSCS in the UK (up to £85,000), and Deposit Guarantee Schemes in the EU (up to €100,000). If your FD exceeds the limit, consider spreading it across multiple banks.
What are typical FD rates right now?
FD rates vary by country, bank, and tenure. As a rough guide: India FDs generally run around 6.5–7.5% for regular tenures at scheduled commercial banks; US CDs around 4.5–5.3%; UK term savings around 4.5%; EU around 2.5–3.5%; Australia around 4.5–5%; Japan around 0.1–0.3%; Brazil around 10–12%. Always check your own bank's current advertised FD rates before investing, and note that small finance banks in India often offer higher rates than large public-sector banks.
What's the difference between an FD and a tax-saving 5-year FD under Section 80C?
A regular FD can have any tenure and offers no special tax deduction. A tax-saving FD in India has a mandatory 5-year lock-in with no premature withdrawal, and the principal invested (up to ₹1.5 lakh) qualifies for a deduction under Section 80C of the Income Tax Act. The interest earned on a tax-saving FD is still fully taxable, only the principal invested gets the deduction.
Do senior citizens get a better FD rate in India?
Yes. Most Indian banks offer senior citizens (60+ years) an additional 0.25–0.75% interest rate over the regular FD rate, along with a higher TDS threshold (₹50,000/year instead of ₹40,000). Enter your bank's senior citizen rate directly into this calculator's rate field to see the maturity difference.
What's the difference between an FD and a Recurring Deposit (RD)?
An FD is a one-time lump-sum deposit locked for a fixed tenure. A Recurring Deposit (RD) instead builds up through fixed monthly installments over the tenure, suiting savers without a lump sum on hand. Use NeftCal's RD Calculator to project a recurring deposit instead.
What's the difference between an FD and Post Office savings schemes like NSC or SCSS?
Bank FDs and India Post small savings schemes (like NSC, KVP, SCSS, and the Post Office Time Deposit) both offer fixed, guaranteed returns, but Post Office schemes are backed directly by the Government of India, often carry specific tax benefits or eligibility rules (e.g. SCSS is for senior citizens), and their rates are set quarterly by the Ministry of Finance rather than by individual banks. Use NeftCal's Post Office Savings Calculator to compare.
Is this FD calculator free to use, and is my data safe?
Yes, it's completely free with no signup. All calculations run locally in your browser using JavaScript — the deposit amount, rate, and tenure you enter are never transmitted to or stored on a server.
Learn More

Authoritative Resources on Fixed Deposits

Official guidance to complement this calculator — not a substitute for licensed financial advice

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