Annuity Payment Calculator

Find how much a lump sum can pay you each month or year for a set time, while the rest keeps earning.

$
$
Payments At
Fractions and decimals both work.
Per Month
Number of payments
Total paid out
Earnings along the way
First year
Per Year

Payout Options

Items you add are saved in this browser.

OptionBalanceRateYearsPaymentRemove

How to Calculate an Annuity Payment

An annuity pays out a balance in equal installments while the rest keeps earning. The payment is the amount that brings the balance down to your target (usually zero) after the last payment.

Payment = (PV − FV ÷ (1 + i)n) × i ÷ (1 − (1 + i)−n)

i is the rate per payment (annual ÷ payments per year) and n the number of payments. For payments at the start of each period, divide by (1 + i). This matches Excel's PMT function.

Worked Example

Tips

This is a fixed-rate illustration. Insurance-company annuities price in mortality and fees, and investment returns vary from year to year, so a real withdrawal plan should leave a margin. See the retirement calculators for withdrawal-rate planning.