Convert from section to ngarn

Unit Definition (section)
The section is a traditional unit of area in the U.S., equal to 1 square mile. This unit is used by the U.S. Public Land Survey System, which applies to most of the U.S. except for the original 13 states, Alaska, and Hawaii.

Unit Definition (ngarn)
The ngarn is a unit of land area in Thailand. The ngarn equals 1/4 rai, 100 talangwah (tw), or exactly 400 square meters (478.396 square yards or just under 0.1 acre).