As a culinary expert with experience in various cooking techniques, I can tell you that the amount of water needed for cooking rice can vary depending on the type of rice and the desired texture. However, a general guideline for white rice is to use a ratio of 2:1, which means two parts water for every one part rice.

For half a cup of rice, which is approximately 85 grams, you would need about 170 grams (or 1.7 cups) of water. This method should yield fluffy and well-cooked rice. It's important to note that this ratio might need to be adjusted for different types of rice, such as brown rice or basmati, which typically require more water.

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For most rice, use a 1:2 ratio of one cup of rice to two cups of water . Measure a half cup of uncooked rice per person and scale this ratio up or down depending on how much you're making.read more >>