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.
16.0 lbs = 7257.48 grams.
That is 908 grams
180 lbs = 81,646.6 grams.
6.5 lbs. = about 2,948 grams.
0.25 lbs = about 113.4 (113.3981) grams.
0.055 lbs equates to about 25 (24.94758) grams.
5,520 lbs converts to 2,503,830 grams.
1280 grams is about 2.8 (2.821917) pounds/lbs.
1 grams = 0.002 lbs 250 grams = 0.55 lbs
2 lbs is 907.185 grams.
3175.14659 grams
14174.7615625 Grams