Fixed Deposit (FD
A Fixed Deposit (FD) is a secure financial investment offered by banks and credit unions that provides a fixed rate of interest over a specified lock-in period.
⚙ Input Values
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📐 Formula
💡 Practical Example
$100,000 fixed deposit at 7.5% annual interest for 5 years compounded quarterly. - A = $100,000 ×^ = $100,000 × (1.01875)^20 = $144,994.80. - Total Interest Earned: $44,994.80. - Effective Annual Yield: 7.71%.
📖 About Fixed Deposit (FD
A Fixed Deposit (FD) is a secure financial investment offered by banks and credit unions that provides a fixed rate of interest over a specified lock-in period.
To use the Fixed Deposit (FD) Calculator, enter your FD Principal Amount, Annual Interest Rate, FD Deposit Tenure and other values. The calculator instantly computes Total FD Maturity Value, Total Interest Earned and more. Results update in real time as you change any input — no submit button needed.
How to Use This Calculator
Enter your FD Principal Amount (e.g. 100000 in ), Annual Interest Rate (e.g. 7.5 in %), FD Deposit Tenure — choose from options such as 1 Year, 3 Years, 5 Years, and Compounding Frequency — choose from options such as Quarterly (4/yr - Standard), Monthly (12/yr), Annually (1/yr). Results update instantly as you type — no submit button or page reload required. Adjust any value to compare scenarios side by side.
The Formula
Fixed Deposit Maturity Value A = P × (1 + r / n)^(n × t)
Where P = Principal Deposit, r = Annual Interest Rate, n = Compounding Frequency (4 = Quarterly), t = Tenure in Years.
Worked Example
100,000 fixed deposit at 7.5% annual interest for 5 years compounded quarterly.
- A = 100,000 ×^ = 100,000 × (1.01875)^20 = 144,994.
80.
- Total Interest Earned: 44,994.
80.
- Effective Annual Yield: 7.71%.
Understanding Your Result
Evaluate your result against the specific financial decision driving this calculation. Small input differences can create large output swings — run two or three scenarios (conservative, base, optimistic) to understand the range of outcomes. For decisions involving more than a month's income, validate your result against a second source or consult a certified financial planner (CFP) or CPA depending on the tax implications.
💡 Financial Planning: Expert Principles & Risk Awareness
- All calculations assume fixed rates and idealized conditions. Real-world results vary due to market volatility, inflation, fees, and taxes.
- The Consumer Financial Protection Bureau (CFPB) recommends consulting a certified financial planner (CFP) for decisions involving significant sums.
- Run at least three scenarios: optimistic, pessimistic, and most-likely — to understand the full range of potential outcomes before committing.
- Inflation averages 2–3% annually in the US (Federal Reserve target). Long-term projections that ignore inflation significantly overstate future purchasing power.
- Tax treatment varies widely by account type (IRA, 401k, brokerage), jurisdiction, and income level. Verify tax implications with a CPA before acting.
- Compound interest works for you in savings/investments and against you in debt. The difference of even 1% in rate, sustained over decades, is enormous.
- Emergency funds (3–6 months of expenses) should be established before optimizing for returns — financial security precedes financial growth.
- Financial projections older than 12 months should be recalculated. Interest rates, tax brackets, and market conditions shift materially year to year.
Results are for informational and educational purposes only. Always verify critical decisions with a qualified professional.