Annuity Payout Calculator
Find equal period-end withdrawals that exhaust a fund at a fixed return.
Formula
Withdrawal = P×r / (1−(1+r)^−n); r = annual% / 100 / frequency.
Withdrawal per period ≈ (12,000)×((5)÷100÷(12))÷(-expm1(-(120)×log1p((5)÷100÷(12)))) · Total withdrawals ≈ (127.2786183)×(120)
How to use
- Enter the starting fund.
- Set return, withdrawals per year and total withdrawals.
- Read the equal withdrawal amount.
Examples
- 2100 at 10% annually funds 2 year-end withdrawals of 1210.
Frequently asked questions
Is this a lifetime annuity quote?
No. It is a fixed-term drawdown with no insurance or mortality model.
When is money withdrawn?
At each period end, after growth; the fund reaches zero after the last withdrawal.
Are taxes and fees included?
No. The return is your constant assumption before these costs.
Sources
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