Then you divide that by a life expectancy from the official table.
See https://www.fidelity.com/retirement-ira/...
for info and a link to the table.
Talk to the institution where you have your IRA to make sure you get it right. They should help you calculate the MRD (minimum required distribution).
For inherited IRA's, the method is similar but I think the table is different, and how you apply it is different.
The required miniumum deduction must start a 70.5 years old. There is a specific calculation that you can find at the IRS website or at one of the many on line calcuators, but the amount depends on whether or not you take the uniform withdrawl, sole survivor withdrawal or join survivor table.
at 70-1/2, Requiried minimum distributions start - contact your IRS administrator for the amount - The % changes each year
Minimum Required Distributions...
Here is a calculator from Fidelity:
https://web.fidelity.com/mrd/application/MRDCalculator
It depends on how hungry he is.
