Here's a general range:
* Adult Male: 1,100 - 1,900 kg (2,425 - 4,189 lbs)
* Adult Female: 800 - 1,400 kg (1,764 - 3,086 lbs)
To convert kilograms (kg) to grams (g), multiply by 1,000.
For example:
* A 1,200 kg giraffe weighs 1,200 x 1,000 = 1,200,000 grams