Enter the present value of an annuity, the interest rate, and the number of periods into the calculator to determine the ordinary annuity.

## Ordinary Annuity Formula

The following formula is used to calculate an ordinary annuity

OA = r * [ (PVA/ (1-(1+r)^-n) ]

- Where OA is the ordinary annuity
- r is the interest rate
- PVA is the present value of the annuity
- n is the number of periods

## Ordinary Annuity Definition

An ordinary annuity is defined as the total amount of an annuity based on the value, interest rate, and the number of periods.

## Ordinary Annuity Example

How to calculate ordinary annuity?

**First, determine the present value.**Calculate the present value of the annuity.

**Next, determine the interest rate.**Calculate the interest rate.

**Next, determine the number of periods.**This will be the number of periods the interest is applied over.

**Finally, calculate the ordinary annuity.**Using the formula, calculate the ordinary annuity.

## FAQ

**What is ordinary annuity?**

An ordinary annuity is the total amount of an annuity based on the present value, interest rate, and the number of periods.