In Japan, most adult men had the height from 5-shaku level (about 150 to 180 centimeters) so when their height was explained, '5 shaku' was omitted from their real height, and merely the remainder was mentioned in sun.
日本では、成人男性の身長はおおむね5尺台（約150cm-180cm）であったので、身長を言う時には「5尺」を省略してその下の寸だけを言った。