Choose which direction to convert: uncooked to cooked, or cooked back to uncooked.
Different rice varieties absorb different amounts of water and expand at different rates. White rice triples; brown rice grows to 2.5x; wild rice expands the most at 3.5x.
Used to estimate the number of servings from the cooked yield. As a side dish, 1/2 cup cooked rice per person is typical; as a main, aim for 1 to 1.5 cups.