This isn't quite exact, but 1/4 cup of butter (so a half stick if you're in the US) is 57 grams according to the conversion chart from allrecipes below. So use just a slightly heavy 1/4 cup or 1/2 stick. By the way, a 1/4 cup is 4 Tablespoons.
Classification: 48.00 x 40.00, Stringer-Class, Double-Face Non-Reversible, Partial 4-Way, Multiple-Use, New Manufacture. At ManufactureAt Manufacture At 25% MC At 25% MCAt 25% MC At 19% MC At 19% MCAt 19% MC At 15% MC At 15% MCAt 15% MC At 12% MC At 12% MC. Average Pallet Weight 58 lbs.
QUANTITIES & CALCULATIONS: 1  92 tiles per square (100 sq.ft.) 2  3.3 to 3.38 lbs / tile, 308 lbs / square (very light). 3  Packaging: 3 squares per pallet (276 tiles). 4  Pallet weight: 955-965 lbs.