Term Deposit Calculator
Calculate the maturity amount and interest earned on a term deposit (fixed deposit) based on principal, annual interest rate, and term length.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator determines the maturity amount and interest earned on a fixed-term deposit with compound interest.
- Enter Principal Amount ($) – The initial deposit (e.g., 10,000).
- Enter Annual Interest Rate (%) – The yearly rate (e.g., 5.5 for 5.5%).
- Enter Term (months) – How long the deposit is held (e.g., 12 for 1 year).
- Select Compounding Frequency – How often interest is applied: Monthly, Quarterly, Semi-Annually, or Annually.
- Click "Calculate" – The results show the principal, interest earned, and total maturity amount.
Note: All inputs must be positive numbers. The formula used is: Maturity = P × (1 + r/n)^(n×t), where r is the annual rate in decimal form, n is compounding periods per year, and t is time in years.
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Frequently Asked Questions
A term deposit is a fixed-term investment where you deposit money for a set period at a fixed interest rate, earning interest until maturity.
The maturity amount is calculated using the compound interest formula: A = P × (1 + r/n)^(n×t), where P is principal, r is annual rate, n is compounding frequency, and t is time in years.
You can choose monthly, quarterly, semi-annually, or annually compounding to see how it affects your returns.
