Convert from cover to carucate

Unit Definition (cover)
The Cover is a traditional Welsh unit of area, standardized in the British system to be exactly 2/3 acre (about 0.2698 hectare). The word is an Anglicized version of the Welsh name cyfair for the unit.

Unit Definition (carucate)
The Carucate is an another name for the hide, an old English unit of land area. The name comes from a Latin word meaning "plowland".