A grain of rice weighs approximately 20 milligrams. This is a very small amount and it is hard to imagine how such a tiny thing could weigh anything at all. However, when you think about it, a grain of rice is actually quite heavy for its size.
Attempting to weigh grains of rice on My Weigh iBALANCE 201
A grain of rice is incredibly light, weighing in at only about 0.065 grams. That’s about the weight of a single eyelash! Given that a cup of rice weighs around 200 grams, that means that there are just over 3,000 grains of rice in one cup.
How Much Does a Grain of Rice Weigh
A grain of rice weighs about 0.065 grams.
This is a very small amount, and so it is unlikely that you would be able to measure this accurately enough to get an meaningful result.
A grain of rice weighs about 0.065 grams. This may not seem like much, but when you consider that there are about 28 grams in an ounce, and that a pound has 16 ounces, it means that a single grain of rice weighs about 1/4,000th of a pound.