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Measuring rice by the cup is standard practice in most kitchens, but the actual weight you get depends entirely on the shape of the grain. Long grain white rice sits loosely in a measuring cup, leaving tiny air pockets between the grains. A cup of long grain weighs about 185 to 190 grams. Short grain white rice, however, is stubby and packs together tightly. A cup of short grain or sushi rice will weigh closer to 195 or 200 grams.

Other varieties follow similar rules. Arborio rice, the fat grain used for risotto, weighs about 200 grams per cup. Brown rice, which still has its bran layer intact, weighs around 190 grams. Delicate, slender basmati rice is the lightest, weighing only about 180 grams per cup. Have you ever cooked a cup of rice and been shocked by how much food it produced?

That is because rice is a sponge. One cup of uncooked rice will absorb water and expand to yield roughly three cups of cooked rice. As a general rule, one cup of uncooked rice is enough to feed two to three people as a side dish. If you want to speed up the cooking process, soaking your rice for 30 minutes before boiling can reduce the cooking time significantly while ensuring a more even texture.

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Short grain packs tighter. Because short grain rice is round and stubby, the grains nestle together closely in a measuring cup, leaving very little air space. This is why a cup of short grain rice weighs up to 15 grams more than a cup of long grain rice.

Rinsing changes the chemistry. Rinsing rice under cold water removes the loose surface starch created when the grains rub together during shipping. If you want fluffy, separate grains, you must rinse. If you want creamy risotto, never rinse.

Soaking saves time. Soaking rice in cold water for 30 minutes before cooking allows the grains to hydrate evenly. This can reduce your active cooking time on the stove by up to 25% and prevents the dreaded "mushy outside, crunchy inside" result.

The Right Rice for the Right Dish — a Practical Guide

Not all rice is created equal, and substituting the wrong grain can ruin a dish. The texture of cooked rice is determined by its starch content—specifically the ratio of amylose to amylopectin. Long grain rice (like basmati or jasmine) is high in amylose, which means it cooks up light, fluffy, and separate. It is the perfect choice for a pilaf, a biryani, or serving alongside a wet curry.

Short grain rice is high in amylopectin, a highly branched starch that becomes incredibly sticky when cooked. This stickiness is essential for making sushi (so the rice holds its shape) or eating with chopsticks. Medium grain rice, like Arborio, sits in the middle. When stirred constantly, it releases just enough starch to create the rich, creamy sauce characteristic of a perfect risotto.

If you are making fried rice, you must use long grain rice, and crucially, it must be cooked and cooled in the fridge overnight. Freshly cooked rice contains too much moisture and will turn into a gluggy mess in the wok. For standard absorption cooking of white rice, the golden ratio is almost always 1 cup of rice to 1.5 cups of water. Bring to a boil, cover, drop to the lowest simmer for 15 minutes, and let it rest.

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