enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Acre - Wikipedia

    en.wikipedia.org/wiki/Acre

    One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, [2] or about 4,047 square metres (0.4047 hectares) (see below).While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based.

  3. Template:Convert/list of units/area - Wikipedia

    en.wikipedia.org/wiki/Template:Convert/list_of...

    system unit code (alternative) QID symbol or abbrev. notes sample default conversion combinations SI: square kilometre: km2 Q712226: km 2: US spelling: square kilometer: 1.0 km 2 (0.39 sq mi) km2 sqmi; square hectometre: hm2 Q35852: hm 2: US spelling: square hectometer: 1.0 hm 2 (2.5 acres) square decametre: dam2 Q23931040: dam 2: US spelling ...

  4. Acre-foot - Wikipedia

    en.wikipedia.org/wiki/Acre-foot

    Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3). There has been two definitions of the acre-foot (differing by about 0.0006%), using either the international foot (0.3048 m) or a U.S. survey foot (exactly ⁠ 1200 / 3937 ⁠ meters since

  5. Basal area - Wikipedia

    en.wikipedia.org/wiki/Basal_area

    If one cut down all the merchantable trees on an acre at 4.5 feet (1.4 m) off the ground and measured the square inches on the top of each stump (πr*r), added them all together and divided by square feet (144 sq inches per square foot), that would be the basal area on that acre.

  6. Imperial and US customary measurement systems - Wikipedia

    en.wikipedia.org/wiki/Imperial_and_US_customary...

    The imperial and US customary measurement systems are both derived from an earlier English system of measurement ... 9 sq ft 0.8361 m 2: Acre UK: 4840 sq yd 4046 m 2:

  7. English units - Wikipedia

    en.wikipedia.org/wiki/English_units

    The furlong went from 600 old feet (200 old yards) to 660 new feet (220 new yards). The acre went from 36,000 old square feet to 43,560 new square feet. Scholars have speculated that the Compositio may have represented a compromise between the two earlier systems of units, the Anglo-Saxon and the Roman.

  8. System of units of measurement - Wikipedia

    en.wikipedia.org/wiki/System_of_units_of_measurement

    A system of units of measurement, also known as a system of units or system of measurement, ... (57,600 sq ft or 5,350 m 2), about 1.32 acres ...

  9. Rod (unit) - Wikipedia

    en.wikipedia.org/wiki/Rod_(unit)

    The rod is useful as a unit of length because integer multiples of it can form one acre of square measure (area). The 'perfect acre' [2] is a rectangular area of 43,560 square feet, bounded by sides 660 feet (a furlong) long and 66 feet (a chain) wide (220 yards by 22 yards) or, equivalently, 40 rods by 4 rods. An acre is therefore 160 square ...