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1 meter is: 10 decimeters; 100 centimeters; 1,000 millimeters; 39.37 inches; 3.28 feet; 1.1 yards; side of square with area 1 m 2; edge of cube with surface area 6 m 2 and volume 1 m 3; radius of circle with area π m 2; radius of sphere with surface area 4π m 2 and volume 4/3π m 3
One metre is exactly equivalent to 5 000 / 127 inches and to 1 250 / 1 143 yards. A simple mnemonic to assist with conversion is "three 3s": 1 metre is nearly equivalent to 3 feet 3 + 3 ⁄ 8 inches. This gives an overestimate of 0.125 mm. The ancient Egyptian cubit was about 0.5 m (surviving rods are 523–529 mm). [27]
If using the metric unit meters for distance and the imperial unit inches for target size, one has to multiply by a factor of 25.4, since one inch is defined as 25.4 millimeters. distance in meters = target in inches angle in mrad × 25.4 {\displaystyle {\text{distance in meters}}={\frac {\text{target in inches}}{\text{angle in mrad}}}\times 25.4}
Two foot three inch: 686 mm (2 ft 3 in) 750 mm: 750 mm (2 ft 5 + 1 ⁄ 2 in) Bosnian gauge: 760 mm (2 ft 5 + 15 ⁄ 16 in) Two foot six inch: 762 mm (2 ft 6 in) Swedish three foot: 891 mm (2 ft 11 + 3 ⁄ 32 in) 900 mm: 900 mm (2 ft 11 + 7 ⁄ 16 in) Three foot: 914 mm (3 ft) Italian metre: 950 mm (3 ft 1 + 13 ⁄ 32 in) Metre: 1,000 mm (3 ft 3 ...
This differs from many older systems in which the ratio of different units varied. For example, 12 inches is one foot, but the larger unit in the same system, the mile is not a power of 12 feet. It is 5,280 feet – which is hard to remember for many. [5]: 17
Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is between 1 meter to 1 millimeter.. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length.
In both customary and imperial units, one foot comprises 12 inches, and one yard comprises three feet. Since an international agreement in 1959, the foot is defined as equal to exactly 0.3048 meters. Historically, the "foot" was a part of many local systems of units, including the Greek, Roman, Chinese, French, and English systems. It varied in ...
Before the establishment of the decimal metric system in France during the French Revolution in the late 18th century, [4] many units of length were based on parts of the human body. [5] [6] The Nippur cubit was one of the oldest known units of length. The oldest known metal standard for length corresponds to this Sumerian unit and dates from ...