Японский фут (сёку) – традиционная единица измерения длины

Traditional Japanese unit of length

or Japanese foot (compare span). Traditionally, the length varied by location or use, but it is now standardized as 10/33 m, or approximately .

entered English in the early 18th century, a romanization of the Japanese Go on reading of the character for .

The had been standardized as since 1891. This means that there are about 3.3 (10/33) to one meter. The use of the unit for official purposes in Japan was banned on March 31, 1966, although it is still used in traditional Japanese carpentry and some other fields, such as kimono construction. The traditional Japanese bamboo flute known as the ( and ) derives its name from its length of one and eight Similarly, the remains in use in the Japanese lumber trade. In the Japanese construction industry, the standard sizes of drywall, plywood, and other sheet goods are based on , with the most common width being three (rounded up to ). In Japanese media parlance, refers to screen time: the amount of time someone or something is shown on screen (similar to the English "footage").

Traditionally, the actual length of the varied over time, location, and use. By the early 19th century, the was largely within the range of ,

Another variant was used for measuring cloth, which measured 125/330 meters , and was known as the , as baleen (whale whiskers) were used as cloth rulers. To distinguish the two variants of , the general unit was known as the .

Just as with the Chinese unit, the is divided into ten smaller units, known as in Japanese, and ten together form a larger unit known in Japanese as a The Japanese also had a third derived unit, the , equal to six ; this was used extensively in traditional Japanese architecture as the distance between supporting pillars in Buddhist temples and Shinto shrines.

Ten cubic comprised a , reckoned as the amount of rice necessary to sustain a peasant for a year.

The Japanese also forms the basis of the modern Taiwanese foot. In 1902, the Korean Empire adopted the Japanese definition of the as that of the (자).