by weight

Lead makes up 0.17% of the human body by weight.

Usually, you can judge the metal quality by the weight of the piece.

If you are moving across state lines and paying by the weight, come clean with how much stuff is really going.

That provision has since been changed to go by weight.

Years of experience had taught me to count by weight.

In fact, it was about 40 percent oxygen by weight.

This allows them to grow by up to 10 times their own weight in a week.

The product is found to be very high in fats, over half by weight.

It makes up about 8% by weight of the Earth's solid surface.

The rain fell straight down, pulled to earth by its own weight.