Convert from rood to mu

Unit Definition (rood)
The rood is a a traditional unit of area used to measure land. A rood is the area of a narrow strip of land one furlong (40 rods, or 660 feet) long and one rod (16.5 feet) wide. Thus the rood is equal to 40 square rods (or perches), which equals 1210 square yards, or 10 890 square feet, or exactly 1/4 acre. That would be the area of a lot 22 yards wide and 55 yards deep, about the size of many suburban lots. One rood is approximately 1011.714 square meters, or 0.101 171 4 hectare.

Unit Definition (mu)
The mu is a traditional unit of land area in China. The traditional mu is about 675 square meters or 800 square yards. However, the colonial customs authorities used a larger mu equal to 8273.75 square feet, 919.3 square yards, or 768.65 square meters. In modern China, the mu is often reckoned to be exactly 1/15 hectare, which is 666.667 square meters or 797.327 square yards.