Help GSM to gm/4square inch

[Stringer]

Hi I need to convert grams per square meter to grams per 4 square inch.

range 6-8 gsm and 8-10 gsm

thx

[spider]

I think you're looking for area or surface density conversions.

Here's the link to the surface density conversion table with which to convert gram per (square meter) to gram per (square inch):

http://www.aqua-calc.com/convert/surface-density/gram-per-square-meter-to-gram-per-square-inch