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Convert between common and less common units of measurement with this free online tool. Choose from 77 different converters covering length, weight, volume, temperature, area, pressure, energy, and more.
- Length Converter
Free online length converter - converts between 93 units of...
- Volume Converter
Free online volume converter - converts between 77 units of...
- Speed Converter
Free online speed converter - converts between 33 units of...
- Celsius to Fahrenheit
Celsius. Definition: The Celsius (symbol: °C) is an SI...
- KW to HP
Kilowatt. Definition: A kilowatt (symbol: kw) is a unit of...
- MPH to Kph
Mile/hour. Definition: The unit miles per hour (symbol: mph)...
- Case Converter
Free online case converter to convert any text to uppercase,...
- Feet to Inches
Foot. Definition: A foot (symbol: ft) is a unit of length in...
- Length Converter
Convert lengths between different units and systems of measurement. Choose from a wide range of length units, such as meter, kilometer, inch, mile, light year, and more.
Dimensions.com offers a comprehensive reference database of dimensioned drawings and a conversion calculator for various units. Enter a value and get a list of conversions for length, area, weight, and temperature.
- Different Systems of Units
- History of The Pound
- Brief History of The Metric System
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Historically, many different systems of units have been used, where a system of units is defined as a collection of units of measurement with rules that relate them to each other. A unit of measurement is a defined magnitude of a quantity that it used as a standard for measurement for the same kind of quantity, such as measurements of length, weigh...
In the eighth and ninth centuries of the Common Era (CE), Arab civilization flourished in the Middle East and Spain. The Arabs used coins as a measurement of units of weight since a minted coin could not easily be cut or shaved to reduce its weight, and thus provided a measurable standard. They used a coin called a silver dirhem as a basic measure ...
In 1668, John Wilkins proposed a decimal system in which length, area, volume, and mass were linked to each other based on a pendulum that had a beat of one second as a base unit of length. In 1670, Gabriel Mouton proposed a decimal system that was instead based on the circumference of the earth, an idea supported by other prominent scientists of t...
Convert between commonly used units of length, temperature, area, volume, and weight with this online tool. Learn about the history and different systems of units, such as the metric system and the US customary units.
This online unit conversion tool will help you convert measurement units anytime and solve homework problems quickly using metric conversion tables, SI units, and more.
Metric Conversion calculators, tables and formulas for temperature, length, area, volume and weight metric conversions.
May 17, 2024 · Convert between different units of temperature, length, area, volume, and weight with this online tool. Learn about the history and systems of measurement, and use the metric conversion table and prefixes.
