Converting from BO4'S relative aim to BO3's legacy aim

[abominablesound]

Hello,

I have played a LOT of black ops 4. It's where I learnt to aim with a keyboard and mouse- which is where the problem arises.

 

BO4 and BO3 use different aiming systems. I'd like my BO3 sensitivity to reflect the sensitivity I have in BO4 when aiming down iron sights. Is this just a matter of taking my BO3 sensitivity value and dividing it by the BO4 reported multiplier? Or is it more complex? 

 

Linked are the mouse-sensitivity calculator's results.

 

https://ibb.co/RQJTcd9
https://ibb.co/k1WrXSG

[DPI Wizard]

It's more complex than that, the FOV of the aim is needed. I can probably add a specific weapon if you have a request