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  2. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    For some purposes, conversions from one system of units to another are needed to be exact, without increasing or decreasing the precision of the expressed quantity. An adaptive conversion may not produce an exactly equivalent expression. Nominal values are sometimes allowed and used.

  3. Data mile - Wikipedia

    en.wikipedia.org/wiki/Data_mile

    In radar-related subjects and in JTIDS, a data mile is a unit of distance equal to 6,000 feet (1,829 metres; 0.9875 nautical miles; 1.136 miles).An international mile is 0.88 data mile.

  4. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.

  5. Metric system - Wikipedia

    en.wikipedia.org/wiki/Metric_system

    The metric system is a system of measurement that standardizes a set of base units and a nomenclature for describing ... (1 km) 2 = (1000 m) 2 = 1 000 000 m 2: 1 mm 3 ...

  6. Kilometre - Wikipedia

    en.wikipedia.org/wiki/Kilometre

    The kilometre (SI symbol: km; / ˈ k ɪ l ə m iː t ər / or / k ɪ ˈ l ɒ m ə t ər /), spelt kilometer in American and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo-being the SI prefix for 1000).

  7. Icelandic units of measurement - Wikipedia

    en.wikipedia.org/wiki/Icelandic_units_of_measurement

    A number of units were used to measure area. One square fathom was equal to 3.546 m 2 and one square mile was equal to 56.7383 km 2, as they were defined by their metric equivalents. [1] Some other units are given below: [1] 1 square inches = 1 ⁄ 5,184 square fathom; 1 square feet = 1 ⁄ 36 square fathom; 1 square alin = 1 ⁄ 9 square fathom

  8. Kilo- - Wikipedia

    en.wikipedia.org/wiki/Kilo-

    Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10 3). It is used in the International System of Units, where it has the symbol k, in lowercase. The prefix kilo is derived from the Greek word χίλιοι (chilioi), meaning "thousand".

  9. Energy efficiency in transport - Wikipedia

    en.wikipedia.org/wiki/Energy_efficiency_in_transport

    The four passenger GEM NEV uses 169 Wh/mi (199 mpg‑e; 10.5 kW⋅h/100 km), [28] which equates to 2.6 kWh/100 km per person when fully occupied, albeit at only 24 mph (39 km/h). The General Motors EV1 was rated in a test with a charging efficiency of 373 Wh-AC/mile or 23 kWh/100 km [ 67 ] approximately equivalent to 2.6 L/100 km (110 mpg ...