Annual Annuity Calculator
When inputting the numbers, use no commas, dollar signs or per cent signs.

Use this calculator when an annual annuity is being "built up".
If an annuity is being "paid out", use the calculator located here.

 An annual annuity is a type of retirement plan in which the same amount is invested each year and the interest rate remains fixed. To see the mathematics of an annuity (and the formulas with 4 worked out examples), click here. The annuity calculator allows you the option of solving for any of 4 variables. • Click on the variable you don't know • Input the other 3 numbers • Click on the "CALCULATE" button • the answer is then displayed Scroll down for 4 annuity examples to help familiarize yourself with this calculator.
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4 EXAMPLES

 1) You invest 2,000 per year at 9% interest for 10 years. What is the amount after 10 years? Click on the TOTAL button, enter the 3 amounts, click CALCULATE and the answer is \$33,120.59 2) At the end of 20 years, an annuity invested at 7.5% interest is now worth \$95,200. How much was invested per year? Click on the ANNUAL AMOUNT button, enter the 3 amounts, click CALCULATE and the answer is \$2,045
 3) \$2,000 was invested annually at a rate of 10% interest and the annuity is now worth \$1,000,000. How long did this take? Click on the YEARS button, enter the 3 amounts, click CALCULATE and the answer is 40.2735 years.
 4) If you want to have \$500,000 after investing \$2,000 per year for 40 years, what interest rate do you need? Click on the RATE button, enter the 3 amounts, click CALCULATE and the answer is 7.5854 per cent.