There are 453.59 grams in a pound. To find out how many pounds are in a gram take the inverse of that 1/453.59=~.0022lbs per each gram.
That is 908 grams
6.5 lbs. = about 2,948 grams.
0.25 lbs = about 113.4 (113.3981) grams.
180 lbs = 81,646.6 grams.
0.055 lbs equates to about 25 (24.94758) grams.
0.75 pounds = 340.19 grams
Two pounds is 907.2 grams.
16.0 lbs = 7257.48 grams.
4.8lbs = 2177.24 grams.
2 lbs is 907.185 grams.
14174.7615625 Grams
3175.14659 grams