Free Finance Tool

Fixed Deposit CalculatorFD · CD · Term Deposit

Enter your deposit amount, interest rate, and tenure — instantly see your maturity value, total interest earned, effective APY, and a year-by-year growth breakdown.

Instant Results All Currencies Compound & Simple Interest No Sign-up

🏛️ Deposit Details

Deposit Amount (Principal) $10,000
Drag to set · or type below  
Annual Interest Rate 4.50%
Enter the rate offered by your bank / credit union
Tenure
2 Years
Compounding Frequency
How often interest is added to your balance

📊 Maturity Breakdown

Maturity Value
$11,049
Principal
$10,000
Total Interest
$1,049
Effective APY
4.59%
Interest Share
9.5%
91%
Principal
$10,000 Principal deposited
$1,049 Interest earned

⚖️ Compounding Comparison

Same principal & rate — see how compounding frequency changes your returns.

Compounding Maturity Value Interest Earned Effective APY

Year-by-Year Growth

Year Opening Balance Interest Earned Closing Balance

Learn

What is a Fixed Deposit, CD, or Term Deposit?

Different countries, same product. A Certificate of Deposit (CD) in the United States, a Term Deposit in the United Kingdom, Australia, Canada, and New Zealand, and a Fixed Deposit (FD) in India, Singapore, and the UAE are all the same financial instrument: you hand a lump sum to a bank or financial institution, agree to leave it untouched for a fixed period, and receive your original deposit back along with guaranteed interest at the end of that period.

Unlike savings accounts — where the interest rate can change anytime — a fixed deposit locks in the rate on the day you open it. That guarantee is precisely what makes it one of the most popular low-risk savings tools in the world.

Global deposit protection: Most countries insure bank deposits up to a limit — FDIC up to $250,000 (USA), FSCS up to £85,000 (UK), DGSD up to €100,000 (EU), DICGC up to ₹5 lakh (India). Amounts above these limits are not protected if the bank fails.

How Compound Interest Works on a Fixed Deposit

The core formula for a compounded fixed deposit is:

Maturity Value = P × (1 + r ÷ n) ^ (n × t)

P = Principal amount
r = Annual interest rate (as a decimal, e.g. 5% = 0.05)
n = Compounding frequency per year (12 = monthly, 4 = quarterly, 2 = semi-annual, 1 = annual)
t = Tenure in years

For simple interest: Maturity Value = P × (1 + r × t). Simple interest does not roll earned interest back into the principal, so the interest earned each period stays constant throughout the tenure.

The difference between monthly and annual compounding might seem small over one or two years, but at higher interest rates and longer tenures it compounds meaningfully. A $50,000 deposit at 6% for 5 years earns $16,982 with monthly compounding versus $16,911 with annual compounding — $71 more from choosing monthly.

APR vs APY — Which Rate Really Matters?

Banks advertise the APR (Annual Percentage Rate) — the nominal interest rate. But the APY (Annual Percentage Yield), also called the Effective Annual Rate (EAR), is the true return after accounting for how often compounding occurs within the year. The formula: APY = (1 + r/n)^n − 1.

A 5% APR compounded monthly gives an APY of 5.12%. When comparing FD rates across banks, always compare APY, not the advertised rate. Two banks offering "5% interest" may have very different effective yields depending on their compounding schedules.

Choosing the Right Tenure

The right tenure depends on when you need the money — and your interest rate outlook:

Short-term (1–12 months): Best for money you may need soon. Rates are lower but you have quicker access. Good for emergency fund overflow or saving for a near-term purchase.

Medium-term (1–3 years): The sweet spot for many savers. Rates are typically higher than short-term while keeping your money accessible on a reasonable horizon.

Long-term (3–5 years): Higher rates, and compound interest has more time to work. Best suited for goals that are at least 3 years away — education, a down payment, retirement supplementation.

CD Laddering strategy: Instead of putting all your savings into one FD or CD, split it into multiple deposits with different maturity dates (e.g., 1 year, 2 years, 3 years, 4 years, 5 years). As each one matures, reinvest it at the longest term. This gives you regular access to funds while capturing higher long-term rates.

What Happens If You Break an FD Early?

Withdrawing a fixed deposit before its maturity date — known as "breaking" the FD or early CD withdrawal — almost always triggers a penalty. Common penalties include forfeiture of 3–6 months of interest for short-term CDs in the US, or a 0.5–1% reduction in the applicable interest rate in India and other markets. Some banks offer no-penalty CDs or flexible term deposits that allow early withdrawal, usually at a slightly lower rate. If liquidity is a concern, look for these products or use a laddering strategy instead.

Frequently Asked Questions
What is the difference between a CD, Term Deposit, and Fixed Deposit?
They are the same product with different names by country. Certificate of Deposit (CD) is the US term. Term Deposit is used in the UK, Australia, Canada, and New Zealand. Fixed Deposit (FD) is the term in India, Singapore, UAE, and much of Asia and Africa. All involve locking a lump sum at a guaranteed rate for a fixed period.
How is fixed deposit interest calculated?
For compound interest: Maturity Value = P × (1 + r/n)^(n×t), where P = principal, r = annual rate as a decimal, n = compounding periods per year, and t = years. For simple interest: Maturity Value = P × (1 + r×t). Monthly compounding gives the highest return for a given stated rate.
What is APY and why does it matter?
APY (Annual Percentage Yield) is the effective annual return after accounting for compounding. It is always equal to or higher than the stated rate. Formula: APY = (1 + r/n)^n − 1. Always use APY to compare deposits — a 5% rate compounded monthly (APY 5.12%) is better than 5.05% compounded annually (APY 5.05%).
Does compounding frequency make a big difference?
At low rates and short tenures, the difference is small. At higher rates and longer tenures, it becomes meaningful. The maximum compounding benefit is continuous compounding (theoretical) — in practice, monthly compounding is the most frequent option most banks offer and is very close to the theoretical maximum.
Are fixed deposits and CDs safe?
At licensed banks, yes. They are insured up to statutory limits: FDIC $250K (USA), FSCS £85K (UK), DGSD €100K (EU), DICGC ₹5 lakh (India). At credit unions in the US, NCUA provides equivalent protection. Amounts above these limits are uninsured. If safety is paramount, keep deposits within the insured limit and spread across institutions if needed.
What is the penalty for breaking an FD or CD early?
Penalties vary by bank and country. In the US, a typical penalty is 3 months of interest for CDs under 1 year and 6–12 months for longer terms. In India, most banks reduce the interest rate by 0.5–1% below the applicable rate for the period held. Some institutions offer no-penalty or flexi-FD products — check your bank's specific terms before investing.
What is CD laddering?
CD laddering is a strategy where you spread your savings across multiple CDs maturing at different intervals (e.g., 1, 2, 3, 4, and 5 years). As each CD matures, you reinvest it into a new 5-year CD. Over time, you have a CD maturing every year, giving you regular liquidity while still capturing long-term rates.
What tenure should I choose for my fixed deposit?
Match the tenure to your goal timeline. For money you might need within a year, use a short-term deposit. For medium-term goals (1–3 years), a mid-range CD works well. For long-term savings (3–5 years), lock in the longest rate you can afford — compound interest has more time to work. Never lock in money you may need before the maturity date unless the account offers penalty-free withdrawal.