Search results
Convert between common and less common units of measurement with this free online tool. Learn about different unit systems and how they interact with each other.
- 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
Instant free online tool for Celsius to Fahrenheit...
- KW to HP
Instant free online tool for kilowatt to horsepower (metric)...
- MPH to Kph
Instant free online tool for mile/hour to kilometer/hour...
- Length Converter
Convert between all major global currencies, precious metals, and crypto with this currency calculator and view the live mid-market rates. Xe also offers money transfer, currency charts, rate alerts, and other tools for currency enthusiasts.
- Different Systems of Units
- History of The Pound
- Brief History of The Metric System
- GeneratedCaptionsTabForHeroSec
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...
Use this Conversion Calculator to convert between commonly used units of length, temperature, area, volume, and weight. Learn about the history and evolution of different systems of units, such as the metric system, the imperial system, and the US customary units.
OnlineConversion.com offers thousands of units and millions of conversions for various categories, such as length, temperature, speed, volume, weight, cooking, currency, and more. You can also find calculators, fun stuff, and message forum on this site.
Jul 22, 2018 · Conversion Calculator. Use the search box to find your required metric converter
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.
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.
