that feels reassuringly heavy for its size is often a good candidate because watermelon flesh contains a great deal of water.
The comparison works best between fruits of similar dimensions and the same general variety.Watermelon
A huge watermelon will obviously weigh more than a small one, so weight alone means little without comparison.
Look for a Uniform Shape
Watermelons naturally come in different shapes. Depending on the variety, they can be nearly round, elongated, oval, or somewhere in between.
The important issue is not whether a watermelon is round
