W is the mass of the sample in grams.

The rate of CO2 emissions is displayed in grams per mile.

If this is the case, the percentages will be equal to the mass of each element in grams.

A smaller problem is that reaction calculations are best done in grams, so we've got some conversions to do.

Yarn quantities are usually measured by weight in ounces or grams.

With a brain power calculated in grams instead of ounces.

I travel so much that it is easier for me to think in grams of gold.

The game today, however, is not necessarily about spec sheets and weight in grams.

It is defined as the mass in grams per 9000 meters.

Silk can also be measured by weight in grams.