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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...
- Pressure Converter
Free online pressure converter - converts between 53 units...
- Currency Converter
Free online currency converter - converts between 154 units...
- Temperature Converter
Free online temperature converter - converts between 6 units...
- mL to Cups
Milliliter. Definition: A milliliter (symbol: mL) is a unit...
- Torque Converter
Free online torque converter - converts between 17 units of...
- Fuel Efficiency - Mass Converter
Free online fuel efficiency - mass converter - converts...
- Length Converter
ConvertUnits.com offers a simple and fast way to convert units of length, weight, time, currency, and more. Enter any unit symbol, abbreviation, or name and get the result in seconds.
- 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...
Use this Conversion Calculator to convert between length, temperature, area, volume, and weight units. Learn about the history and different systems of units, such as the metric system, the imperial system, and the US customary system.
Metric conversion charts and calculators for metric conversions. →. Temperature Weight Length Area Volume Speed Time Angle Pressure Energy and Power Health and Wellbeing. The metric system originated in France in 1799 following the French Revolution although decimal units had been used in many other countries and cultures previously.
This cubic feet calculator will help you find the cubic footage of a box or space, given the dimensions in any popular length unit (inches, feet, yards, mm, cm, meters, and many more). Cubic Yards to Tons Converter. Convert volume in cubic yards to mass in metric tons using Omni's cubic yards to metric tons converter. Drops to ml Conversion.
Height converter. Inches to cm conversion. Inches to feet conversion. Inches to meters conversion. Inches to mm conversion. km to miles conversion. Meters to feet conversion. Meters to feet+inches. Meters to inches conversion.
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Jan 18, 2024 · Learn how to convert metric units by dividing and multiplying by ten with our handy tool. Find the multipliers, prefixes, and definitions of the most common metric units for length, mass, time, and more.