# Deferred Fixed Annuity Calculator > Estimate accumulation during a deferral period and level withdrawals during a fixed payout period. Page: https://askcalculators.com/calculator/deferred-fixed-annuity-calculator/ Definition: https://askcalculators.com/calculator/deferred-fixed-annuity-calculator/definition.json JSON Schema: https://askcalculators.com/calculator/deferred-fixed-annuity-calculator/schema.json Version: 1.0.0 Maintained by: AskCalculators (software project; not a credentialed reviewer) Qualified review: pending. Automated checks do not establish professional approval. Page status: Live Review status: Pending ## Use Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation. Example: https://askcalculators.com/calculator/deferred-fixed-annuity-calculator/?initialPremium=100000&annualRate=4.5&deferralYears=10&payoutYears=20&paymentsPerYear=12&paymentTiming=end ## Inputs - initialPremium: Initial premium; type=money; required; default=100000; min=0 - annualRate: Guaranteed annual rate; type=percent; required; default=4.5; min=0; max=100 - deferralYears: Deferral years; type=number; required; default=10; min=0; max=100 - payoutYears: Payout years; type=number; required; default=20; min=0.01; max=100 - paymentsPerYear: Payouts per year; type=number; required; default=12; min=1; max=365 - paymentTiming: Payout timing; type=select; required; default=end; values=end|begin ## Outputs - valueAtPayout: Value when payouts begin; format=currency; primary - periodicPayout: Estimated periodic payout; format=currency - annualizedPayout: Annualized payout; format=currency - totalPayouts: Total projected payouts; format=currency - interestDuringDeferral: Interest credited during deferral; format=currency ## Formula accumulated value = premium × (1+r)^deferral; payout = value ÷ present-value annuity factor ## Rules - Empty optional inputs are undefined, not zero. - Hidden conditional inputs are ignored. - Do not invent missing required inputs. Notice: Annuity contracts can include surrender charges, caps, guarantees, taxes, and insurer credit risk. Review the actual contract and qualified advice.