Retirement income

Annuity Payout Calculator

See how much income a lump sum can pay over a fixed period at a given interest rate, or how much you need to fund a target payment. The schedule shows payouts, interest earned and the remaining balance each year.

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YearPaymentPaid this yearInterest earnedBalance at year end

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Why calculate annuity payouts

Plan retirement income

Turn savings into a predictable monthly amount.

Compare quotes

Check whether an annuity offer is competitive.

Size your nest egg

Find the lump sum needed for a target income.

How to use the annuity calculator

  1. Choose a modePayout from a lump sum, or lump sum for a payout.
  2. Enter the termsRate, number of years, payment frequency and timing.
  3. Add an increaseOptional yearly raise to keep pace with inflation.

How fixed annuities pay out

A fixed-term annuity spreads a lump sum, plus the interest it earns, evenly across a set number of payments. Early payments are mostly interest earned on a large balance; later payments are mostly the return of your own principal.

Choosing an increasing payout means lower income at first and more later. Over a long retirement this can better match rising costs.

Rate per period

Annual rate / payments per year.

Payments

Years x payments per year.

Balance

Ends at zero after the last payment.

Annuity payout FAQ

How is an annuity payout calculated?

For level payments at the end of each period: payment = PV x r / (1 - (1 + r)^-n), where r is the rate per period and n the number of payments. Payments at the start divide this by (1 + r).

What is the difference between an ordinary annuity and an annuity due?

An ordinary annuity pays at the end of each period; an annuity due pays at the start. Annuity due payments are slightly smaller because the money earns interest for less time.

How does a yearly increase work?

Payments stay level within each year and rise by the chosen percentage at the start of each new year, which helps protect income from inflation. The first-year payment is lower to compensate.

Is this the same as a life annuity quote?

No. This is a fixed-term (period certain) calculation. A life annuity pays for as long as you live and is priced by insurers using life expectancy tables.

What rate should I use?

For an annuity quote, use the rate the contract credits. For a do-it-yourself drawdown, use a conservative expected return.

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