Convert from perch to dessiatina

Unit Definition (perch)
The perch is a unit of area. A perch of area covers exactly 272.25 square feet or about 25.292 85 square meters. There are 40 perches in a rood and 160 perches in an acre.

Unit Definition (dessiatina)
The Dessiatina is a traditional unit of land area in Russia equal to 2400 square sadzhens. By coincidence, this makes the dessiatina very nearly the same as a hectare: it equals about 1.0925 hectare or 2.6996 acres.