Future Value of Annuity Calculator — Ordinary & Annuity Due

Calculate the future value of a series of equal payments (annuity). Supports both ordinary annuity (end-of-period payments) and annuity due (beginning-of-period payments). See total contributions and interest earned. 100% free, no sign-up.

Payment per Period ($)

Interest Rate per Period (%)

Number of Periods

Annuity Type

What do you want to do next?

SIP Calculator Calculate returns on systematic investment plans. Compound Interest Calculator Calculate compound interest with frequency.

Free Future Value of Annuity Calculator

OptiDrop's Future Value of Annuity Calculator computes the total value of a series of equal periodic payments at a future date. Whether you're investing monthly in a mutual fund, making regular deposits into a savings account, or planning for retirement, this tool shows exactly how much your contributions will grow.

Ordinary Annuity vs Annuity Due

An ordinary annuity makes payments at the end of each period (like most bonds and mortgages). An annuity due makes payments at the beginning of each period (like rent or insurance premiums). Annuity due yields a higher future value because each payment earns interest for one extra period.

How to Use This Calculator

Enter your regular payment amount, the interest rate per period (not necessarily annual), the total number of periods, and whether payments are made at the beginning or end of each period. The calculator shows the future value, total contributions, and total interest earned.

Frequently Asked Questions

The future value of an annuity is the total value of a series of equal payments at a specified date in the future, assuming a certain interest rate. It tells you how much your regular investments or deposits will be worth after earning interest over time.

In an ordinary annuity, payments are made at the end of each period. In an annuity due, payments are made at the beginning of each period. Annuity due results in a higher future value because each payment earns interest for one extra period.

For an ordinary annuity: FV = PMT × [((1 + r)^n - 1) / r], where PMT is the payment per period, r is the interest rate per period, and n is the number of periods. For an annuity due, multiply the result by (1 + r) to account for payments at the beginning of each period.

Use an annuity calculator when planning regular investments like monthly SIP contributions, retirement savings, education funds, or any scenario where you make equal periodic payments and want to know the total future value including interest earned.

Last updated: June 2026