A ngan ( th, งาน, , ) is a unit of
area, equal to 400
square metre
The square metre ( international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m2. It is the area of a square w ...
s (20 m × 20 m), used for measuring land or property area. Its current size is precisely derived from the
metre, but is neither part of nor recognized by the modern
metric system, the
International System (SI).
The ngan equals 1/4
rai or 100
tarang wa A tarang wa ( th, ตารางวา, , ) or square wa, sometimes transliterated as 'waa' or 'wah' is a unit of area used in Thailand for measuring land or property. It is defined as the area of a square whose sides measure exactly one wa (t ...
( th, ตารางวา) ''aka'' square
wa ( th, วา),
very nearly 1/10 of an
acre
The acre is a unit of land area used in the imperial
Imperial is that which relates to an empire, emperor, or imperialism.
Imperial or The Imperial may also refer to:
Places
United States
* Imperial, California
* Imperial, Missouri
* Imp ...
. ''Ngan'' also means ''work''.
It is commonly used in
Thailand and equals four
are
Are commonly refers to:
* Are (unit), a unit of area equal to 100 m2
Are, ARE or Åre may also refer to:
Places
* Åre, a locality in Sweden
* Åre Municipality, a municipality in Sweden
**Åre ski resort in Sweden
* Are Parish, a municipa ...
, another unit based on the metre and as commonly used in several countries recognized though not encouraged by the SI.
As for many terms normally written in
Thai alphabet, transliteration into English language caused a spelling variant, ''ngaan''.
See also
*
Thai units of measurement
*
1 E+2 m²
This page is a progressive and labelled list of the SI area orders of magnitude, with certain examples appended to some list objects.
to square metres
10−8 to 10−1 square metres
100 to 107 square metres
108 to 1014 square metres
101 ...
for a comparison with other areas
References
{{Use dmy dates, date=June 2011
Units of area
Thai units of measurement