Mu (land)
The mu (simplified Chinese: 亩; traditional Chinese: 畝; pinyin: mǔ) in Mandarin, mau or mou in Cantonese, or bo in Taiwanese Hokkien, also called Chinese acre, is a traditional Chinese unit of measurement for land area. One mu equals 666.67 square meters in mainland China, 761.4 square meters in Hong Kong and Macau, and 99.17 square meters in Taiwan and Japan. Mu is the only Chinese area unit legally retained by the People's Republic of China.