1 inch is 3 barleycorn.
A barleycorn is a single grain of barley, a unit of one third of an inch, although obsolete, still used as a basis for measurements of shoe sizes.
It is an obsolete unit of measure, equal to one third of an inch.
Since 1066, there have been 3 inches in one barleycorn. Therefore, one barleycorn is equal to 1/3 = 0.3 recurring (that is, 0.33333...) inches.
The Barleycorn was created in 1971.
William Barleycorn was born in 1848.
William Barleycorn died in 1925.
Edward Barleycorn was born in 1891.
Edward Barleycorn died in 1978.
john barleycorn is a old slang term for booze
John Barleycorn has written: 'The Irish demand' 'Ireland'
Apparently there is documentation that Edward II legally defined the inch in terms of 3 barleycorns, however it was in use since 1066 making it that William I may have defined it. A barleycorn is still used today as the base measure between UK shoe sizes - each size up is a barleycorn longer than the previous.
The barleycorn measure is used in traditional systems of measurement as a unit of length equal to one-third of an inch. It is commonly used in the UK and other countries for measuring small lengths, especially in industries like shoemaking and textiles.