Area units calculator & converter tool
Pouce2 Conversions Table
Equivalent of 20 Square inch: |
0.012903187283393 m2 (Square meter) |
129.03187283393 cm2 (Square centimeter) |
1.2903187283393 dm2 (Square decimeter) |
12903.187283393 mm2 (Square milimeter) |
1.2903187283393E-8 km2 (Square Kilometer) |
1.2903187283393E-6 Hectare |
0.00012903187283393 Are |
1.2903187283393E-5 Decare |
0.012903187283393 Centiare |
3.7742467963288E-6 Arpent |
12.903187283393 Barn |
0.13888861759971 Square feet |
3.1884420936628E-6 Acre |
0.00051015202530477 Square perche |
4.981920610118E-9 Square mil |
0.015432082959065 Square yard |
1.384511995508E-10 Canton |
1.9922521165558E-8 Homestead |
1.2753510310905E-5 Rood |
Pouce2 / Acre Units Definition
Square inch
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.historic engineering drawings (number with a square & a double apostrophe, both as an exponent).The square inch is a common unit of measurement in the United States and the United Kingdom. A common unit of pressure, pound per square inch (psi) is derived from this unit of area.
Acre
The acre (/ˈeɪkər/ AY-kər) is a unit of land area used in the British imperial and the United States customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, 1⁄640 of a square mile, 4,840 square yards, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the international yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. The acre is sometimes abbreviated ac but is usually spelled out as the word "acre".