It depends on what type. Once a spider weighed 100 grams!
The largest spider is the Goliath Birdeater Tarantula; their leg span is about 30 cm across; and weigh about 70 grams.
2 grams
2 grams
1.5-2 grams
6.6 grams
A large swallowtail may weigh 0.3 grams and smaller butterflies 0.04 grams. The Queen Victoria Birdwing may weigh 2-3 grams
The British 2 Pence coin weighs 7.12 grams, so 100 of them would weigh 712 grams.
A male hamster can weigh up to 130 grams while the female can weigh up to 150 grams. When they are born they weigh around only 2 grams.
A UK £2 coin weighs 12 grams so 80 of them will weigh 960 grams.
2 kg = 2000 grams
They can have up to a 30cm (12 inch) leg span and weigh 120 grams.
1-2 grams '-'