Retirement

Future Value of Annuity Calculator

See what a series of equal, regular payments grows to over time, the future value, the total paid in and the interest earned.

  • Free
  • No sign-up
  • Updated for 2026

Your annuity

$

paid each month

%
yr

Enter a payment, return and period to project the value.

Worked example

With these example inputs:

  • Payment$500
  • Annual return6%
  • Years20 yr

Future value: $231,020

  • Starting amount$0
  • Total contributions$120,000
  • Total interest$111,020
  • Total growth92.5%

Add this calculator to your site

Free to embed. Copy the snippet below, it drops the live calculator straight into any page.

What this future value of annuity calculator does

This calculator finds the future value of an annuity. You enter your payment, rate and term. The tool then shows the final total. It reveals what regular savings can grow into. This helps you plan ahead. You can run a few what-ifs. The result shows the power of saving.

What the future value of an annuity is

The future value is what regular payments grow to. It adds up a stream of contributions. It includes the interest they earn. Each payment earns over the years. The total can be far above what you put in. It shows the reward for steady saving. It is a key planning figure.

How it is calculated

The math combines three inputs. It uses your regular payment. It uses the interest rate per period. It also uses the number of periods. Each payment grows with compound interest. The calculator adds it all up. It saves you a complex sum.

The power of regular contributions

Regular contributions build up over time. Each one adds to the pot. They also start earning interest. Small amounts can grow large. The habit matters more than the size. Consistency is the real engine. Steady saving rewards you well.

The role of the interest rate

The interest rate drives the growth. A higher rate lifts the final total. Interest also earns its own interest. This is the power of compounding. Even a small gap matters over time. The rate makes a big difference. Always use a realistic figure.

The role of time

Time is a powerful ally. The longer you save, the more it grows. Early payments have years to compound. They do the heaviest lifting. Starting sooner beats saving more later. Time turns small sums into large ones. Begin as early as you can.

Ordinary annuity versus annuity due

An ordinary annuity pays at period end. An annuity due pays at the start. Paying earlier earns a little more. So an annuity due grows faster. The difference adds up over time. Know which one you are using. It changes the final total.

How to use it

Enter your regular payment. Add the interest rate and term. Read the future value at once. Then try a longer term. See how the total grows. Compare a few plans. Use it to set a savings goal.

Using it to plan your savings

This tool helps you plan a goal. Work out what you need to save. Try different payments and terms. See what reaches your target. A small rise can make a big difference. Adjust the plan as life changes. It turns a goal into a plan.

Common mistakes to avoid

A common mistake is using an unrealistic rate. It can flatter the total. Another is ignoring inflation. The future sum buys less than today. Some forget to keep saving. Others start far too late. Clear math helps you steer around them.

A final tip

Start saving as early as you can. Keep your contributions steady. Use a realistic rate in your plan. Remember inflation erodes the future sum. Let time and compounding do the work. Review your plan as things change. Steady saving builds real wealth.

Frequently asked questions

What is the future value of an annuity?

It is what a stream of equal payments is worth at the end, once each payment has earned interest for the time remaining until then.

What is an ordinary annuity?

An ordinary annuity pays at the end of each period. This calculator adds each payment and compounds the balance period by period.