Area units calculator & converter tool
Pouce2 Conversions Table
Equivalent of 4 Square inch: |
0.0025806374566786 m2 (Square meter) |
25.806374566786 cm2 (Square centimeter) |
0.25806374566786 dm2 (Square decimeter) |
2580.6374566786 mm2 (Square milimeter) |
2.5806374566786E-9 km2 (Square Kilometer) |
2.5806374566786E-7 Hectare |
2.5806374566786E-5 Are |
2.5806374566786E-6 Decare |
0.0025806374566786 Centiare |
7.5484935926576E-7 Arpent |
2.5806374566786 Barn |
0.027777723519942 Square feet |
6.3768841873256E-7 Acre |
0.00010203040506095 Square perche |
9.9638412202359E-10 Square mil |
0.003086416591813 Square yard |
2.7690239910161E-11 Canton |
3.9845042331117E-9 Homestead |
2.5507020621811E-6 Rood |
Pouce2 / Rood 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.
Rood
Rood is an English unit of area equal to one quarter of an acre or 10,890 square feet, exactly 1,011.7141056 m2. A rectangle that is one furlong (i.e., 10 chains, or 40 rods) in length and one rod in width is one rood in area, as is any space comprising 40 perches (a perch being one square rod).