Sometimes people living in places (like Manhattan) with a regularly spaced street grid will speak of long blocks and short blocks. In Manhattan, the measurement "block" usually refers to a north–south block, which is 1⁄ 20 mi (80 m). In most US cities, a city block is between 1⁄ 16 and 1⁄ 8 mi (100 and 200 m). The usual size of a football pitch is 105 m × 68 m (115 yd × 74 yd), the dimensions used for matches in the UEFA Champions League.Ī Canadian football field is 65 yd (59 m) wide and 150 yd (140 m) long, including two 20 yd (18 m) long end zones. Īn association football pitch may vary within limits of 90–120 m (98–131 yd) in length and 45–90 m (49–98 yd) in width. The Racing Rules of Sailing also makes heavy use of boat lengths.Ī football field is often used as a comparative measurement of length when talking about distances that may be hard to comprehend when stated in terms of standard units.Īn American football field is usually understood to be 100 yards (91 m) long, though it is technically 120 yards (110 m) when including the two 10 yd (9.1 m) long end zones. A shorter distance is the canvas, which is the length of the covered part of the boat between the bow and the bow oarsman. The length of a rowing eight is about 62 feet (19 m). In rowing races such as the Oxford and Cambridge Boat Race, the margin of victory and of defeat is expressed in fractions and multiples of boat lengths. Shorter distances are measured in fractions of a horse length also common are measurements of a full or fraction of a head, a neck, or a nose. Horses are used to measure distances in horse racing – a horse length (shortened to merely a length when the context makes it obvious) equals roughly 8 feet or 2.4 meters. This means that 1 Hammer unit is equal to exactly 0.01905 meters. The exact definition varies from game to game, but a Hammer unit is usually defined as a sixteenth of a foot (16 Hammer units = 1 foot). This unit refers to Source's official map creation software, Hammer. Valve's Source game engine uses the Hammer unit as its base unit of length. Many of the unusual units of measurements listed here are colloquial measurements, units devised to compare a measurement to common and familiar objects. For unusual units of measure invented primarily for amusement, see List of humorous units of measurement.Īn unusual unit of measurement is a unit of measurement that does not form part of a coherent system of measurement, especially because its exact quantity may not be well known or because it may be an inconvenient multiple or fraction of a base unit. \ QuestionĬonvert 12.5 cm into inches.For units of measure primarily used in countries where English is not the main language, see the article specific to that country, a list of which can be found in the systems of measurement article. If you need to use an imperial to metric conversion in an exam, the values will be given to you. Units of length can be converted between imperial and metric units using unit conversions. Multiply the number of centimetres by the conversion factor.Ĭheck the answer - should it be smaller or larger than the original number? Converting imperial units of length Millimetres are smaller than centimetres so the number of millimetres will be larger than the number of centimetres. Divide the number of centimetres by the conversion factor. Metres are larger than centimetres so the number of centimetres will be larger than the number of metres. It is not always easy to decide whether to divide or multiply by the conversion factor. There are 10 millimetres in a centimetre. Calculate the height of the sunflower in metres and millimetres. These can be used to convert the units used to measure length. The most common metric unit conversions for length are: mass in pounds (lb), ounces (oz) and stones.The imperial system uses the following units: The metric system uses three main units for measuring: There are two systems used for measuring quantities - metric and imperial.
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