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  2. Hectare - Wikipedia

    en.wikipedia.org/wiki/Hectare

    The hectare (/ ˈ h ɛ k t ɛər,-t ɑːr /; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm 2), that is, 10,000 square metres (10,000 m 2), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectares and one hectare contains about ...

  3. List of unusual units of measurement - Wikipedia

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

    The measurement of time is unique in SI in that while the second is the base unit, and measurements of time smaller than a second use prefixed units smaller than a second (e.g. microsecond, nanosecond, etc.), measurements larger than a second instead use traditional divisions, including the sexagesimal-based minute and hour as well as the less ...

  4. Nepalese customary units of measurement - Wikipedia

    en.wikipedia.org/wiki/Nepalese_customary_units...

    We may need to convert land area units such as aana to dhur, dhur to aana, kattha to aana, ropani to bigha, square meter to aana, square meter to dhur etc, For such area units conversion you may use Area Converter Calculator. [3] The precise land measurement conversions as per Nepal standard are as follows:

  5. File:Hectare Diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Hectare_Diagram.svg

    English: An illustration showing a hectare and an are, both represented by squares with sides of 10 metres. The symbol for the hectare is defined in the SI Brochure as "ha" so by implication, the symbol for the are is "a". (This is the symbol assigned by EU directive 80/181/EEC).

  6. Global hectare - Wikipedia

    en.wikipedia.org/wiki/Global_hectare

    On average, a global hectare can be produced in the area of a standard hectare. A hectare (/ ˈ h ɛ k t ɛər /; symbol ha) is a unit of area equal to 10,000 square metres (107,639 sq ft) (a square 100 metres on each side or 328 feet on each side), 2.471 acres, 0.01 square kilometers, 0.00386102 square miles, or one square hectometre (100 metres squared).

  7. Time scale - Wikipedia

    en.wikipedia.org/wiki/Time_scale

    Time scale may refer to: Time standard, a specification of either the rate at which time passes, points in time, or both; A duration or quantity of time: Orders of magnitude (time) as a power of 10 in seconds; A specific unit of time; Geological time scale, a scale that divides up the history of Earth into scientifically meaningful periods

  8. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    Factor () Multiple Value Item 0 0 0 Singularity: 10 −35: 1 Planck length: 0.0000162 qm Planck length; typical scale of hypothetical loop quantum gravity or size of a hypothetical string and of branes; according to string theory, lengths smaller than this do not make any physical sense. [1]

  9. Maltese units of measurement - Wikipedia

    en.wikipedia.org/wiki/Maltese_units_of_measurement

    Table of area (land) units Unit Plural Relative value Metric value Imperial value Notes kejla: kejliet 1 ⁄ 60 ~18.74 m 2 ~22.41 sq yd siegħ: sigħan 1 ⁄ 6 ~187.4 m 2 ~224.1 sq yd