Choose whether you know your cooked volume or your desired serving count, and get the other number back.
USDA dietary guidance defines a standard serving of a cooked grain like rice or pasta as 1/2 cup. This calculator uses that figure to convert between a total cooked volume and a number of standard servings in either direction.
Source: Based on the USDA MyPlate standard serving size of 1/2 cup cooked grains, rice, or pasta per serving.
USDA dietary guidance uses 1/2 cup of cooked rice, pasta, or other grain as one standard serving.
This calculator works from cooked volume; raw rice roughly triples in volume when cooked, so about 1.33 cups of raw rice yields roughly 4 cups cooked — check your specific rice variety's package instructions for the exact ratio.
It's the standard dietary-guidance serving size, but many people eat more as a main-dish portion — treat it as a planning baseline and scale up for heartier appetites.
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