T
The Daily Insight

How do you calculate the future value of an ordinary annuity?

Author

Sarah Duran

Published Feb 16, 2026

The formula for the future value of an ordinary annuity is F = P * ([1 + I]^N – 1 )/I, where P is the payment amount. I is equal to the interest (discount) rate. N is the number of payments (the “^” means N is an exponent). F is the future value of the annuity.

How do you find the future value of a monthly payment?

P = PMT [((1 + r)n – 1) / r] This value is the amount that a stream of future payments will grow to, assuming that a certain amount of compounded interest earnings gradually accrue over the measurement period.

How do you calculate the future value of an annuity compounded monthly?

The future value of an annuity is simply the sum of the future value of each payment. The equation for the future value of an annuity due is the sum of the geometric sequence: FVAD = A(1 + r)1 + A(1 + r)2 + + A(1 + r)n.

How do you find the present value of a monthly annuity?

The Present Value of Annuity Formula

  1. P = the present value of annuity.
  2. PMT = the amount in each annuity payment (in dollars)
  3. R= the interest or discount rate.
  4. n= the number of payments left to receive.

What is the formula of ordinary annuity?

The formula for an annuity due is as follows: Present Value of Annuity Due = PMT + PMT x ((1 – (1 + r) ^ -(n-1) / r)

What is amount of annuity?

An annuity is an investment in which the purchaser makes a sequence of periodic, equal payments. To find the amount of an annuity, we need to find the sum of all the payments and the interest earned. In the example, the couple invests $50 each month. This is the value of the initial deposit.

How does the future value of annuity calculator work?

This future value of annuity calculator estimates the value (FV) of a series of fixed future annuity payments at a specific interest rate and for a no. of periods the interest is compounded (either ordinary or due annuity). There is more info on this topic below the form. How does this future value of annuity calculator work?

How is the PV of an annuity calculated?

This is the formula you would use as part of a bond pricing calculation. The PV of an ordinary annuity calculates the present value of the coupon payments that you will receive in the future. For Example 2, we’ll use the same annuity cash flow schedule as we did in Example 1.

How is the interest rate on an annuity calculated?

Interest rate per period which is a constant (most often referred to as annual) rate for the cost for the money use. Number of time periods that represents the time frame in which the regular annuity payment is made and the interest is compounded (year, twice a year, month.).

What makes an annuity an ordinary annuity?

An ordinary annuity is a series of equal payments made at the end of each period over a fixed amount of time.