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FVA Calculator Online

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The FVA Calculator simplifies the process of predicting how much an annuity will grow over a given period when interest accumulates. This tool is particularly useful for those planning their retirement or any long-term investment, allowing users to make informed decisions based on the potential future value of their current investments.

Formula of FVA Calculator

To calculate the Future Value of an Annuity (FVA), you can use the following formula:

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  • FVA is the future value of the annuity.
  • P is the periodic payment amount.
  • r is the interest rate per period.
  • n is the number of periods.


  • Periodic Payment Amount (P): This is the amount of money deposited or paid at each interval.
  • Interest Rate (r): This is the interest rate per period. If the annual interest rate is given, and payments are made monthly, divide the annual interest rate by 12.
  • Number of Periods (n): This is the total number of payment periods. For example, if payments are made monthly for 5 years, the number of periods would be 60 (5 years * 12 months).
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Practical Applications

ScenarioPeriodic PaymentInterest RatePeriodsFuture Value
Retirement Savings$5005% annually30 years$XYZ
College Fund$2003.5% annually18 years$XYZ
Investment$10004% annually25 years$XYZ

These examples illustrate how the FVA varies with different inputs, helping users understand the long-term impacts of their investments.

Example of FVA Calculator

Consider calculating the future value of a retirement account where you contribute $500 monthly at an annual interest rate of 5% for 30 years. The formula we'll use is:

FVA = P * ((1 + r)^n - 1) / r


  • P = $500 (monthly contribution)
  • r = 0.05/12 (monthly interest rate, as the annual rate is 5%)
  • n = 30 * 12 (total number of monthly payments over 30 years)
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Substituting the values into the formula:

FVA = 500 * ((1 + 0.05/12)^(30*12) - 1) / (0.05/12)

Let's calculate that now.

FVA = 500 * ((1 + 0.05/12)^(360) - 1) / (0.05/12)
FVA ≈ 500 * 5.02257534 / 0.0041667 ≈ 602832.79

Most Common FAQs

Q1: How does compounding frequency affect the FVA?

A: Compounding more frequently results in higher future values due to interest being calculate on the accumulated interest more often.

Q2: Can I use the FVA calculator for any type of annuity?

A: Yes, the FVA calculator works for both ordinary annuities and annuities due, although the timing of payments slightly alters the formula used.

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