Fixed Deposit Calculator

Calculate your investment returns. Estimate maturity amounts, track compound interest accrued, and evaluate inflation-adjusted real purchasing power.

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1% 25%
Yrs
1 Yr 25 Yrs

Taxation & Inflation Modifiers

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0% (None) 50%
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0% 15%
Net Maturity Value (After Tax)
$0
Estimated checkout value after tax withholding
Gross Interest Earned
$0
Total compound interest accrued
Total Tax Withheld (TDS)
$0
Tax calculated on interest yields
Inflation Adjusted Purchasing Power
Real Value: $0
Maturity value adjusted for compound inflation

Comparative Interest Analyzer

Evaluate your current Term Deposit plan side-by-side against an alternative benchmark interest model.

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Yrs
Maturity Projections Current Plan Alternative Plan Difference Benefit

FD Capital Composition

Capital Compound Growth Curve

Saved FD Portfolios

Store your custom Fixed Deposit models securely on your local browser. Tag and compound alternative saving options instantly.

Scenario Label Principal Deposit APR Yield (Tenure) TDS & Taxes Net Maturity Amount Actions
No saved portfolios in this browser. Fill out your savings parameters and click "Save Portfolio".

1. How Fixed Deposit Compounding Works

A Fixed Deposit (often called a term deposit or certificate of deposit) is a highly reliable savings asset offered by retail banks and credit unions. You deposit a lump-sum principal for a predetermined duration (tenure) at a locked-in, guaranteed interest rate. Over time, interest is credited and added back to your balance, compounding progressively based on your chosen frequency.

CHECK OUT OUR ROI CALCULATOR

2. Standard Compounding Frequencies and Simple Interest

The rate at which your investment expands depends directly on your compounding frequency:

3. Factoring TDS and Real Purchasing Power

In almost all financial jurisdictions, the interest earned on Fixed Deposits is considered taxable income. Banks often deduct this tax at source (known as Tax Deducted at Source or TDS). Additionally, inflation erodes the future value of your money. Our calculator processes both variables, helping you visualize the actual purchasing power of your funds at maturity.

Frequently Asked Questions

How is compound interest on a Fixed Deposit formulated?

For compounding frequencies, the maturity amount ($A$) is calculated as: $$A = P \times \left(1 + \frac{R}{100 \times n}\right)^{n \times T}$$ Where $P$ is the principal, $R$ is the annual APR, $n$ is the compounding events per year, and $T$ is the tenure in years. For Simple Interest: $$A = P \times \left(1 + \frac{R \times T}{100}\right)$$

Does a higher compounding frequency yield better results?

Yes. The more frequently interest is calculated and added back to your principal (e.g. monthly vs. yearly), the faster your principal balance grows, leading to higher overall yields.

Can I withdraw my Fixed Deposit funds before the tenure ends?

Yes, most banks permit premature withdrawals. However, doing so typically incurs a minor penalty fee and lowers your overall interest rate payout.