On average, there are approximately 33,000 to 50,000 grains of rice per kilogram, with a typical estimate around 40,000 grains for medium-grain rice. The exact number depends on the rice variety and grain size.
I did actually count 700 grains in batches of 100 & did an accumulative average to factor in rounding error of the scales. At 700 grains I thought that was enough for this exercise. The rice I had on hand is Riviana Basmati aged extra long grain.
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