Convert from farthingdale to square kilometer

Unit Definition (farthingdale)
The Farthingdale is an older name for the rood, a unit of land area equal to 1/4 acre (0.1012 hectare). "Farthingdale," like "fardel," means a fourth part.

Unit Definition (square kilometer)
The square kilometer is a common metric unit of area. One square kilometer equals 100 hectares, 10E6 square meters, approximately 247.105 acres, or approximately 0.386 102 square mile.