How many cups of rice will feed 100 people?

The amount of rice needed to feed 100 people depends on the serving size, but a general guideline is:
1 cup of uncooked rice typically serves 2 people (this varies slightly depending on the type of rice and how much each person eats).
For 100 people, you would need about 50 cups of uncooked rice.

Converting Uncooked Rice to Cooked Rice:
1 cup of uncooked rice typically makes about 3 cups of cooked rice.
So, for 100 people, you would need approximately 150 cups of cooked rice.

How Much Does 1 Cup of Uncooked Rice Yield?
1 cup of uncooked rice yields around 3 cups of cooked rice, so:
50 cups of uncooked rice will give you 150 cups of cooked rice.

If you’re planning for a meal, you might want to adjust based on whether you’re serving the rice as a main dish or a side. Typically, you could plan on about ½ cup of cooked rice per person as a side, and a full cup if rice is the main dish.