Free · Equity investment calculators 📈
Fixed-Rate Maturity Value Calculator
Project one principal balance using a constant annual compound rate.
- Formula & worked example
- Private in your browser
- No signup
Calculator inputs
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How to use this calculator
- Enter the known values in the units shown. Results update as you type.
- Edit a calculated value to solve backwards, or lock a value to hold it fixed.
- Use the worked example to check the method. Reset restores the starting fields.
Use the result with context
Results are estimates for planning and education. Confirm rates, taxes, fees, and legal requirements with the relevant institution or a qualified professional before making a financial decision.
Formula and method
A principal of 1,000 growing at an effective annual rate of 10% for two years reaches 1,210 without additional payments.
Maturity value = principal × (1 + effective annual rate)^years
Worked example
Enter these known values and leave the other values blank.
- Principal
- 1000 USD
- Effective annual compound rate
- 10 %
- Time of investment
- 2 yrs
- Maturity value
- 1210 USD
Assumptions and limitations
- Enter an effective annual compound rate with time measured in years. Convert a nominal quoted rate using its compounding convention first. This model assumes a constant rate, no deposits or withdrawals, and no fees or taxes; fractional years use the same exponential model.
Common questions
Should I enter a nominal APR or an effective annual rate?
Enter an effective annual compound rate with time measured in years. Convert a nominal quoted rate using its compounding convention first. This model assumes a constant rate, no deposits or withdrawals, and no fees or taxes; fractional years use the same exponential model.
References
The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.
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