Length conversion calculator

Written by Adam Morris
2 Min read
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Convert a variety of lengths with our handy length conversion calculator.

Our length conversion calculator will help you to convert between metres and feet or vice – versa

When you use our length conversion calculator, it will make it simpler to follow any European or American diagrams and plans. All of Europe including Britain uses the metric system and has done so for many years, so there are many documents online which are in metres, centimetres and millimetres.

We also have a calculator for electrical power. Powerful length conversion calculator.

With the exception of a few fundamental quantum constants, units of measurement are derived from historical agreements. Nothing inherent in nature dictates that an inch has to be a certain length, nor that a mile is a better measure of distance than a kilometre. Over the course of human history, however, first for convenience and then for necessity, standards of measurement evolved so that communities would have certain common benchmarks. Laws regulating measurement were originally developed to prevent fraud in commerce.

Units of measurement are generally defined on a scientific basis, overseen by governmental or independent agencies, and established in international treaties, pre-eminent of which is the General Conference on Weights and Measures (CGPM), established in 1875 by the Metre Convention, overseeing the International System of Units (SI). For example, the metre was redefined in 1983 by the CGPM in terms of the speed of light, the kilogram was redefined in 2019 in terms of the Planck constant and the international yard was defined in 1960 by the governments of the United States, United Kingdom, Australia and South Africa as being exactly 0.9144 metres.

In the United States, the National Institute of Standards and Technology (NIST), a division of the United States Department of Commerce, regulates commercial measurements. In the United Kingdom, the role is performed by the National Physical Laboratory (NPL), in Australia by the National Measurement Institute,[8] in South Africa by the Council for Scientific and Industrial Research and in India the National Physical Laboratory of India.

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