# How To Calculate/Find Fixed Tax Deferred Annuity Payment – A Calculator with example and formula

## Formula of Fixed Tax Deferred Annuity Payment calculation

If investment is made at the beginning

Future value of DA = ai ( 1 + i )n

If investment is through period of payments,

Future value of DA = { a ( ( 1 + i )n-1)} / i

Where,

n = Time period

vi = Expected rate of return

va = Amount

DA = Deferred Annunity

Example of Fixed Tax Deferred Annuity Payment