Determining AAoA

[kshurika]

When I have multiple cards acquired at different times, is there a website or app I can go to, or any specific algorithm I could apply to determine my AAoA?

[Shadowfactor]

It’s quite easy. You take every single account age in months, add them together and the divide by the total number of accounts.

[Miner]

For each account, to calculate the account age, count the number of months between when the account was opened and today. To get the average age of all accounts, add the age of all your accounts together and divide by the number of accounts.

[Anonymous]

All the above answers are true.  To make it even easier, use this helpful tool

[Remedios]

Does the month in which account was open counts as 0 or 1? 

For instance, an account opened in October 2017, would it be 6 months old on 03/01 or 04/01? 

[Anonymous]

I am curious about this as well. I am looking to apply somewhere in April or May this year for a Visa Network CC but in the event I get approved for the card, I wanted to know how much would it bring down my AAoA.

I have a closed Cap One card which is my longest if I were to apply in May it will be 20 mos.

Discover: will be 14 mos. in May

Amex BCE will be 14 mos. in May

Amex Gree will be 13 mos in May

Amex Blue Delta will be 8 mos. in May

So if I were to add another card then, would I add all of the numbers above but divide them including the new cc, how would that get factored in or calculated? I assumed to just add all 5 accounts number of months, divided by 6(assuming I add a new account in May)

[kshurika]

Wow! It's so easy that it's no WONDER I couldn't figure it out on my own!

Thanks for all of the invaluable answers. Btw, the tool is great, but it starts in the year 2014. For a newbie like me, that's the pleistocene era.

My AAoA into March is 11.25. I was planning to go into my Chase branch in March and do a double tap for a prequalled Freedom and a CSP. But, it appears I should wait four more months to get my AAoA over one year, shouldn't I? My FICOs and util. are strong and getting stronger, but, could that AAoA bring me down, despite being prequalled?

Oh, one other thing, in May (probably June report), 4 of my 6 HPs on Experian go past one year, which kills most of their power.

[Anonymous]

X = current AAoA in months

Y = number of current accounts

New AAoA = (XY+1)/(Y+1)

If you're adding multiple accounts at once, replace 1 with Z where Z = number of new accounts.

New AAoA = (XY+Z)/(Y+Z)

[Anonymous]

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@kshurikawrote:
Wow! It's so easy that it's no WONDER I couldn't figure it out on my own!

Thanks for all of the invaluable answers. Btw, the tool is great, but it starts in the year 2014. For a newbie like me, that's the pleistocene era.

My AAoA into March is 11.25. I was planning to go into my Chase branch in March and do a double tap for a prequalled Freedom and a CSP. But, it appears I should wait four more months to get my AAoA over one year, shouldn't I? My FICOs and util. are strong and getting stronger, but, could that AAoA bring me down, despite being prequalled?

Oh, one other thing, in May (probably June report), 4 of my 6 HPs on Experian go past one year, which kills most of their power.

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Apologies, didnt realize that it started in 2014 (guess that's when it was last updated).  I'll see if I can find an0ther up to date one or even redo this one.  Shouldn't be too hard.  Heh

[Miner]

<Does the month in which account was open counts as 0 or 1? >
The date your account opened is 0. It's the same as when a baby is born. So for an account opened in October, it would be 6 months old in April.