Annuity Payout Calculator - Calculate Monthly Income

Annuity Payout Calculator

Convert your lump sum savings into a steady stream of income for retirement.

Income Generator

The lump sum you have available to invest.
%
Expected annual return on the remaining balance.
Monthly Payout
$0.00
Guaranteed for 20 years.
Summary
Principal Used: $0
Total Interest Earned: $0
Total Payout: $0
Inflation Warning: A fixed payout of $0 will buy less in the future. Check purchasing power.

How Does an Annuity Calculator Work?

An annuity is a financial product that pays out a fixed stream of payments to an individual, typically used as an income stream for retirees. This Annuity Payout Calculator handles the "Immediate Annuity" or "Distribution Phase" calculations. It helps you convert a lump sum of savings into a predictable paycheck.

Key Terms

  • Principal (Present Value): The lump sum amount you invest upfront.
  • Payout (Payment): The regular income you receive (monthly, quarterly, or annually).
  • Growth Rate (Interest): Even while you are withdrawing money, the remaining balance continues to earn interest. This extends the life of your savings.
  • Duration: The number of years you want the payments to last (e.g., 20 years or until age 95).

Two Ways to Plan

This tool offers two modes:

  1. Calculate Payout: Useful if you just retired and have a specific amount (e.g., $500,000) in your 401(k) or savings. It tells you how much you can safely withdraw each month to make the money last.
  2. Calculate Investment: Useful for planning. If you know you need $3,000/month to cover expenses, this tells you how much cash you need to have saved up today.

The Math Behind It

We use the standard Time Value of Money formula for an ordinary annuity (payments at end of period):

PMT = PV × ( r / (1 - (1+r)^-n) )

Where PMT is the payment, PV is present value, r is periodic rate, and n is total periods.

Disclaimer & Legal Notice

Hypothetical Calculations: This calculator assumes a fixed rate of return throughout the entire payout period. In reality, market returns fluctuate. It also assumes you deplete the account to exactly $0 at the end of the term.

Fees Not Included: Commercial annuities sold by insurance companies often carry administrative fees, surrender charges, and mortality expenses which reduce the actual payout. This tool calculates the raw mathematical potential of your money.

Not Financial Advice: This tool is for educational use only. Annuity contracts are complex legal documents. Please consult a licensed financial professional before purchasing any annuity product.