Annuity Payout Calculator

Free annuity payout calculator. Find monthly or annual income from a lump-sum annuity purchase. Compare payout rates for different terms and interest rates.

$
%
Monthly Payment
$2,922.95
Payout rate: 7.02%
Annual Income
$35,075.00
Total Income
$876,885.00
Over 25 years
Total Interest Earned
$376,885.00
75.4% return on investment

Rate Sensitivity (25-year term)

RateMonthlyAnnualTotal Income
3%$2,371.00$28,453.00$711,317.00
4%$2,639.00$31,670.00$791,755.00
5% โ†$2,923.00$35,075.00$876,885.00
6%$3,222.00$38,658.00$966,452.00
7%$3,534.00$42,407.00$1,060,169.00
8%$3,859.00$46,309.00$1,157,724.00

Term Sensitivity (5% rate)

TermMonthlyAnnualTotal Income
10 yrs$5,303.00$63,639.00$636,393.00
15 yrs$3,954.00$47,448.00$711,714.00
20 yrs$3,300.00$39,597.00$791,947.00
25 yrs โ†$2,923.00$35,075.00$876,885.00
30 yrs$2,684.00$32,209.00$966,279.00
35 yrs$2,523.00$30,281.00$1,059,844.00

Payout Schedule

YearIncomeInterestPrincipalRemaining
1$35,075.00$24,766.00$10,310.00$489,690.00
2$35,075.00$24,238.00$10,837.00$478,853.00
3$35,075.00$23,684.00$11,391.00$467,462.00
5$35,075.00$22,489.00$12,587.00$442,901.00
10$35,075.00$18,922.00$16,153.00$369,622.00
15$35,075.00$14,345.00$20,731.00$275,580.00
20$35,075.00$8,471.00$26,605.00$154,889.00
25$35,075.00$932.00$34,144.00$0.00

Assumes constant interest rate. Actual annuity quotes vary by insurance company, age, and market conditions. Annuity products may include fees not reflected here.

Planning notes, formulas, and examples

About the Annuity Payout Calculator

The Annuity Payout Calculator converts a lump sum into a stream of regular income payments. Enter the amount you want to annuitize, the interest rate, and the payout period to see your monthly and annual income.

This is the reverse of a present value calculation โ€” instead of finding what a payment stream is worth, you're finding what payments result from a given lump sum. It's the core calculation behind retirement annuity products, systematic withdrawals, and structured settlements.

Compare how different interest rates and payout periods affect your income to find the right balance of payment size and duration. Even a small change in interest rate can significantly alter your monthly income โ€” a 1% rate increase on a $500,000 balance might add $200 or more per month over a 20-year payout. Understanding this sensitivity is essential when evaluating annuity offers from insurance companies, which often present terms that are difficult to compare without an independent calculation.

When This Page Helps

Converting a retirement nest egg to guaranteed income is one of the most important financial decisions. This calculator shows exactly how much monthly income you can expect from a given balance, helping you compare annuity quotes and plan systematic withdrawal strategies. It also reveals how rate and time-period trade-offs affect the sustainability of your retirement income.

How to Use the Inputs

  1. Enter your lump sum (investment or annuity purchase price).
  2. Set the annual interest/payout rate.
  3. Choose the payout period in years.
  4. Select payment frequency (monthly or annual).
  5. Review your periodic payment and total income.
  6. Compare the rate sensitivity table for different scenarios.
Formula used
PMT = PV ร— [r / (1 โˆ’ (1 + r)^โˆ’n)] where PV = lump sum, r = periodic rate, n = number of payments Total Income = PMT ร— n Total Interest = Total Income โˆ’ PV

Example Calculation

Result: $2,923/month ($35,077/year)

A $500,000 lump sum annuitized at 5% over 25 years produces monthly payments of $2,923. Total income is $876,932, meaning you receive $376,932 in interest earnings above your initial investment.

Tips & Best Practices

  • A longer payout period means smaller payments but more total income from interest.
  • Even a 0.5% rate difference significantly affects payments over 20+ years.
  • Monthly payments are slightly less than annual payments divided by 12 due to compounding.
  • The interest rate on annuity products varies with bond yields โ€” shop around.
  • Consider an inflation-adjusted annuity (lower initial payment but payments grow over time).
  • Annuity payouts above your original investment are taxable as ordinary income.

The Annuitization Decision

Annuitizing converts a lump sum into a guaranteed income stream. This provides certainty that you won't run out of money, but you lose access to the principal. It's a trade-off between security and flexibility that depends on your other income sources, health, and goals.

Interest Rate Impact

The payout rate is heavily influenced by prevailing interest rates. In a 5% rate environment, payouts are significantly higher than in a 3% environment. Locking in an annuity during low rates means permanently lower income. Timing matters.

Comparison with Systematic Withdrawals

Systematic withdrawals from an investment portfolio offer flexibility and potential upside, but carry market risk. Annuities offer certainty at the cost of inflation erosion (for fixed annuities) and loss of principal. Many retirees use both strategies.

Sources & Methodology

Last updated:

Methodology

This worksheet converts the entered lump sum into a fixed payment stream with the standard amortizing-payment formula, using the selected annual rate, payout term, and payment frequency. It also builds a simple year-by-year principal-and-interest schedule plus rate and term sensitivity tables so users can compare how payout assumptions change the income stream.

It is a constant-rate planning model rather than an insurer quote. The page does not model mortality credits, contract fees, surrender terms, taxes, or product-specific riders, so it is most useful for checking the arithmetic behind a fixed-term payout scenario.

Sources

  • Compound Interest Calculator (Investor.gov / U.S. Securities and Exchange Commission) โ€” Official investor-education reference for the compounding and payment-stream mechanics behind present-value and payout calculations.
  • Annuities (Investor.gov / U.S. Securities and Exchange Commission) โ€” SEC investor education overview describing immediate versus deferred annuities and periodic income payments.
  • About Publication 575, Pension and Annuity Income (Internal Revenue Service) โ€” IRS reference covering the federal tax treatment of pension and annuity payments discussed in the page FAQs.

Frequently Asked Questions

  • At 5% over 25 years, about $2,923/month. At 4% over 30 years, about $2,387/month. The answer depends on the interest rate and how long you want payments to last. Use this calculator to find the exact amount for your situation.