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hyō 俵

In Japan, ? – 20ᵗʰ century, a unit of capacity, about 72.20 liters.

In feudal times, the lower grade of samurai received their rations in hyō of rice.

For charcoal, the hyō is a unit of mass, = 4 kan = 15 kilograms (about 33 pounds).

Literally, hyō means “straw bag,” and for most commodities the hyō was just that, not a unit. For grains other than rice the hyō is simply a bag of undefined capacity.