dry suit and weights

[eelnoraa]

Here is my example for your referece. 5'6", 135lb, trilam shell suit, 200g thinsulate + fleece underware, HP100, 4lb plate, 2lb STA, 2lb canister, 16lb of lead. If I switch to a 400g thinsulate, I need 20lb of lead

 

[Hatul]

I had to add 4-5 lbs to go from 7mm suit with5 mm hooded vest to a shell suit with light undergarments, here in S Cal.

 

[poomero]

Rough guess is, you'll need more.
As mentioned before there is not enough information about your current setup or your dry suit setup.
Wetsuit - 3mm? 5mm? 7mm?
Backplate - Aluminum? Steel?
Drysuit - trilam, neoprene, crushed neoprene
Undergarment - 100 gram? 200 gram? 400 gram?

Wetsuit - 7mm
Backplate - Steel
Drysuit - trilam or whites fusion. don't know if this is a trilam still
Undergarment - 400 gram