Monthly Annuity Calculator
When inputting the numbers, use no commas, dollar signs or per cent signs.
If you want to use an Annual Annuity Calculator, click here.

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

To see the formulas for a monthly annuity (along with 4 worked out examples), click here.

An annuity is a type of retirement plan in which the same amount is invested each month and the interest rate remains fixed.

The monthly annuity calculator allows you the option of solving for any of the 4 variables of an annuity.

• 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 further instructions.

Do you want to solve for

or or or

30 years from now, you would like to have $200,000.00 from a pension plan with an annual interest rate of 6 per cent. How much would you have to invest each month to have $200,000.00 when you retire?

We need to know how much per month, so we first click on "Monthly Amount", then enter 30 years at 6% yearly interest rate for a total of $200,000.00. Click "Calculate" and you see this will require a monthly payment of $198.11.

Use this data to familiarize yourself with the other 3 calculator choices.
Years             30
Yearly Rate     6
Total       200000
Monthly Amount 198.11

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