Convert from Standard American English Pounds (lbs) to Metric Grams/Square Meter (gsm).
1lb. of Text paper = 1.48 gsm. Multiply each pound of text paper by 1.48.
1 lb. of Cover paper = 2.708 gsm. Multiply each pound of cover paper by 2.708.
80lb. text = 118.4 gsm
80lb. cover = 216.64 gsm