That would depend on how you train your flaccid penis. erect gains do not always translate to a longer flaccid. Some men can be 8" and have a 2" flaccid. The way to get your flaccid length close to your erect length is through
teaching it to remain elongated. This is done through the use of a
SizeGenetics,
Phallosan,
PeniMasterPro,
ACE, or any other device that will hold you at your longest flaccid stretch. The more time under passive training, the longer the flaccid penis becomes.