Finance & Money
Annuity Payment Calculator
Calculate the periodic payout from opening balance, desired residual balance, net annual rate, payout term, payment frequency, and beginning- or end-of-period timing.
Net annual rate after fees-
Whole scheduled payment periods-
Net rate per payment period-
Present value reserved for ending balance-
Present-value shortfall for desired ending balance-
Balance available to support payments-
End-of-period payment before timing adjustment-
Beginning-payment adjustment factor-
Calculated annuity payment-
Scheduled payout per year-
Total scheduled payments over term-
Modeled additional contributions-
Desired ending balance-
Investment earnings supporting payments and residual-
Average payout per calendar month-
Desired ending balance before inflation adjustment-
Calculated payment converted to monthly average-
Decision view
Annuity Payment decision view
Annuity Payment decision viewAnnuity principal, payment, modeled growth, withdrawals and residual balance are kept on the selected payment basis; in the annuity payment visual explanation, payment components and the resulting balance effect are labeled separately.
Exact scenario comparisonAssumed annual crediting or investment rate (%) changes while all other entered assumptions remain constant.
| Assumed annual crediting or investment rate (%) | Net annual rate after fees | Whole scheduled payment periods | Net rate per payment period | Present value reserved for ending balance | Present-value shortfall for desired ending balance | Balance available to support payments | End-of-period payment before timing adjustment | Beginning-payment adjustment factor | Calculated annuity payment | Scheduled payout per year | Total scheduled payments over term | Modeled additional contributions | Desired ending balance | Investment earnings supporting payments and residual | Average payout per calendar month | Desired ending balance before inflation adjustment | Calculated payment converted to monthly average |
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Period-by-period detail
Annuity scheduled payout detail
How to use Annuity Payment Calculator
- Identify the account value actually available to support payments.
- Choose the desired ending balance, payout term, frequency, and whether payments occur at the beginning or end of each period.
- Confirm that the target residual is supportable, then compare the calculated payment with contractual guarantees and liquidity restrictions.
Calculator guide
Understanding Annuity Payment Calculator
An annuity payment calculation asks how much a stated balance can distribute each period while preserving an entered ending balance after a fixed number of whole payment periods.
Calculation method
How the calculation works
For an annuity payment plan, discount the desired ending balance to today, amortize the remaining payout principal across the selected payment frequency, and adjust correctly when payments occur at the beginning of each period. Subtract fees from the annual rate, discount the desired residual balance to present value, amortize the remaining payout principal over whole payment periods, and divide by the annuity-due timing factor when payments occur at the beginning of each period.
Payment reconciliation
Trace the payout from balance to equal periodic cash flow
Each step answers a separate question about the payment amount.
Worked situations
Practical examples
- A positive desired residual reserves part of the opening balance and lowers the periodic payment.
- Beginning-of-period payments are smaller than otherwise identical end-of-period payments because each payment is received earlier.
- If the present value of the desired residual exceeds the opening balance, no payout is available under the entered assumptions.
Better inputs
Useful tips
- Use a net rate consistent with the contract's guarantee or illustration and enter fees only once.
- Match payment frequency to the actual contract election.
- Compare fixed mathematical payments with insurer quotes, surrender value, rider terms, and tax treatment.
Before relying on the result
Limitations and common mistakes
- The model uses a constant net rate and equal payment intervals.
- It does not price mortality credits, life contingencies, guarantees, surrender charges, riders, taxes, or market sequence.
- The result is a mathematical account payout, not a contractual annuity quote.
Reference
Key terms
- Residual balance
- Desired account balance remaining after the final modeled payment.
- Periodic rate
- Net annual rate divided by the selected number of payments per year.
- Ordinary annuity
- Equal payments made at the end of each period.
- Annuity due
- Equal payments made at the beginning of each period.
Important note
Calculated from the entered values and stated financial terms. It is not a product quote, lending decision, tax filing, or investment recommendation.
Frequently asked questions
What does payment timing 0 or 1 mean?
Zero means payment at period end; one means payment at period beginning.
Why can the payment be unavailable?
The desired residual may require more present value than the opening balance provides.
Does this calculate a lifetime annuity payment?
No. Mortality and insurer pricing factors are not included.
Are taxes and surrender charges included?
No.