呎
Character Story & Explanation
In Hong Kong’s housing market, you’ll frequently see apartment dimensions listed as '20呎 × 12呎' — pronounced chǐ and meaning 'feet', not the traditional Chinese chi. This usage is codified in the Hong Kong Government’s 'Units of Measurement Ordinance' (Cap. 62) and appears on property deeds, estate agent boards, and MTR station ads. Unlike 尺, which appears in idioms like 得寸进尺 ('gain an inch, demand a foot'), 呎 carries no idiomatic or literary use—it exists solely as a practical, phonetically adapted unit symbol.
呎 is not a classical character: it does not appear in oracle bone, bronze, or seal scripts. It’s a 20th-century Cantonese-influenced creation — combining 口 (indicating 'spoken loanword') and 丁 (dīng, used phonetically for chǐ). Its form is purely functional, not pictographic, and reflects pragmatic adaptation rather than ancient etymology.
The character 呎 is actually a common typographical error or historical variant—not the standard modern Chinese character for 'foot'. The correct and universally used character is 尺 (chǐ), meaning 'Chinese foot', a traditional unit of length (~33.3 cm). 呎 appears primarily in older Hong Kong and Macau contexts, where it was used as a phonetic loan for the English word 'foot' (as in imperial measurements), due to its similar pronunciation and mouth radical (口) suggesting 'spoken term' or 'loanword marker'.
While 尺 is taught in mainland curricula and appears in HSK vocabulary (HSK 4 for 尺 in compounds like 尺寸), 呎 is absent from official mainland character lists (GB2312, GB18030) and the HSK syllabus. It survives mainly in legacy signage, real estate listings, and construction documents in Hong Kong—where bilingual units (e.g., '5呎 x 8呎') remain legally recognized alongside metric equivalents.
This distinction reflects China’s linguistic regionalism: mainland China standardized metric units and uses 尺 only historically or stylistically (e.g., 尺幅 for 'scroll dimensions'), whereas Hong Kong retains imperial units in daily life and uses 呎 explicitly for 'foot' to avoid confusion with 尺’s traditional measurement (~1/3 m). Learners should prioritize 尺—but recognize 呎 as a localized, functional variant, not a synonym.
Example Sentences
Common Compounds
Similar Characters — Don't Mix These Up
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