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11 cm = 1.1 dm – length of an average potato in the US; 13 cm = 1.3 dm – body length of a Goliath birdeater; 15 cm = 1.5 dm – approximate size of largest beetle species; 19 cm = 1.9 dm – length of a banana; 26.3 cm = 2.6 dm – length of average male human foot; 29.98 cm = 2.998 dm – distance light in vacuum travels in one nanosecond
Length; system unit code (other) symbol or abbrev. notes ... 1.0 cm (0.39 in) cm in ... 1.0 nmi (1.9 km; 1.2 ...
In the centimeter–gram–second system of units, the basic unit of length is the centimeter, or 1 ... parsec pc ≈ 30 856 775 814 671.9 km or about 3.261 56 ly;
The conversion between different SI units for one and the same physical quantity is always through a power of ten. This is why the SI (and metric systems more generally) are called decimal systems of measurement units. [10] The grouping formed by a prefix symbol attached to a unit symbol (e.g. ' km ', ' cm ') constitutes a new inseparable unit ...
A significant characteristic of the metric system is its use of decimal multiples – powers of 10. For example, a length that is significantly longer or shorter than 1 metre can be represented in units that are a power of 10 or 1000 metres. This differs from many older systems in which the ratio of different units varied.
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.
It was only in 1867 that the term "kilometer " became the only official unit of measure in the Netherlands to represent 1000 metres. [ 10 ] Two German textbooks dated 1842 [ 11 ] [ 12 ] and 1848 [ 13 ] respectively give a snapshot of the use of the kilometre across Europe: the kilometre was in use in the Netherlands and in Italy, and the ...
1 duim (inch) = 1 centimetre (1 inch = 2.54 cm) 1 streep (line) = 1 millimetre (1 English line = 2.12 mm) Area. 1 bunder = 1 hectare 1 vierkante roede (square rod) = 1 are or 100 m 2. Volume. 1 wisse or teerling el = 1 cubic metre. 1 mud (bushel) = 100 litres 1 kop (cup) = 1 litre (1 Australian cup = 250 ml) 1 maatje (small measure) = 100 ...