How much dried rice makes 100 gr cooked rice?

Rice absorbs twice its own volume of water during the cooking process.

So 1 cup if dry rice will make 3 cups of cooked rice.

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1 metric cup = 1/4 liter or 250 centiliters

The density of water = 1 and therefore 1 cup will weigh 250 grams

There will be 225 grams of dry rice in one (metric cup) because (rice density is about 0.9 g/cm³)

This means that one cooked 1 metric cup of dry rice will weigh 725 grams.

Therefore

(100/725)*225 = 31 grams of dried rice will make 100 grams of cooked rice.