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Physical unit
Unit name Rood
Unit symbol
Physical quantity (s) Area
Formula symbol
system Anglo-American system of measurement
In SI units
Derived from acre

Rood is an Anglo-American unit of area. The unit symbol is ro.

1 rood = ¼ acre = 1210 sq.yd = 10,890 sq.ft. = 1011.7141056

1 square mile = 640 acres = 2,560 rood

In German, the unit is also known as a quarter morning .