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  2. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    ≈ 1.729 994 044 × 10 3 kg/m 3: ounce (avoirdupois) per gallon (imperial) oz/gal ≡ oz/gal ≈ 6.236 023 291 kg/m 3: ounce (avoirdupois) per gallon (US fluid) oz/gal ≡ oz/gal ≈ 7.489 151 707 kg/m 3: pound (avoirdupois) per cubic foot lb/ft 3: ≡ lb/ft 3: ≈ 16.018 463 37 kg/m 3: pound (avoirdupois) per cubic inch lb/in 3: ≡ lb/in 3 ...

  3. Template:Convert - Wikipedia

    en.wikipedia.org/wiki/Template:Convert

    Converts measurements to other units. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Value 1 The value to convert. Number required From unit 2 The unit for the provided value. Suggested values km2 m2 cm2 mm2 ha sqmi acre sqyd sqft sqin km m cm mm mi yd ft in kg g mg lb oz m/s km/h mph K C F m3 cm3 mm3 L mL cuft ...

  4. Ancient Greek units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_units_of...

    9.50 m 2 (102.3 sq ft) rod hēmiektos ἡμίεκτος: 833 + 1 ⁄ 3 podes 79.2 m 2 (853 sq ft) half a sixth hektos ἕκτος: 1,666 + 2 ⁄ 3 podes 158.3 m 2 (1,704 sq ft) a sixth of a plethron aroura ἄρουρα: 2,500 podes 237.5 m 2 (2,556 sq ft) field plethron πλέθρον: 10,000 podes 950 m 2 (10,200 sq ft)

  5. Unit of measurement - Wikipedia

    en.wikipedia.org/wiki/Unit_of_measurement

    For instance, when referencing "10 metres" (or 10 m), what is actually meant is 10 times the definite predetermined length called "metre". The definition, agreement, and practical use of units of measurement have played a crucial role in human endeavour from early ages up to the present. A multitude of systems of units used to be very common.

  6. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    In radio astronomy, the unit of electromagnetic flux is the jansky (symbol Jy), equivalent to 10 −26 watts per square metre per hertz (= 10 −26 kg/s 2 in base units, about 8.8×10 −31 BTU/ft 2). It is named after the pioneering radio astronomer Karl Jansky. The brightest natural radio sources have flux densities of the order of one to one ...

  7. Medieval weights and measures - Wikipedia

    en.wikipedia.org/wiki/Medieval_weights_and_measures

    foot; perch, used variously to measure length or area; acre and acre's breadth; furlong; mile; The best-attested of these is the perch, which varied in length from 10 to 25 feet, with the most common value (16 1 ⁄ 2 feet or 5.03 m) remaining in use until the twentieth century. [1] Later development of the English system continued in 1215 in ...

  8. Foot–pound–second system of units - Wikipedia

    en.wikipedia.org/wiki/Foot–pound–second...

    In July 1959, the various national foot and avoirdupois pound standards were replaced by the international foot of precisely 0.3048 m and the international pound of precisely 0.453 592 37 kg, making conversion between the systems a matter of simple arithmetic.

  9. Historical Russian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Historical_Russian_units...

    1 ft локоть: lokot' elbow 9 ⁄ 14: 45.72 cm 1 + 1 ⁄ 2 ft; cf. cubit/ell: шаг: shag stride, step 1 71.12 cm cf. step: арши́н: arshin: yard 1 71.12 cm 2 + 1 ⁄ 3 ft саже́нь, са́жень: sazhen' fathom: 3 2.1336 m 7 ft верста́: vyersta turn (of a plough) 1500 1.0668 km 3,500 ft ми́ля: milya mile 10,500 7. ...