Simply weight it on a scale.
Apart from the initial weight of the watermelon in your digestive system, most of the weight in the watermelon is made from water, which will be flushed out of the system. You would have to eat very large quantities of watermelon to noticably gain weight.
in a watermelon...
300,000,000,000,000,000,000,000,000,000,000.00 pounds if you eat a watermelon
A watermelon contains about 6% sugar and 92% water by weight.
never
yes
yes
if your talking about the watermelon pin then you missed it
The weight of the watermelon on Neopets is varied day to day. Try searching 'Neopets Watermelon' or 'Neopet finders, cheats, and guides' on a searched engine.
no
depends on how heavy the watermelon or bike is :D
No, a watermelon typically weighs between 5-30 pounds. Four tons is equivalent to 8,000 pounds, which is much larger than the weight of a watermelon.