Quick Unit Converter

Welcome to Quick Unit Converter - the quickest and easiest way to convert units.

Are you sick of switching between many conversion tools and applications? There's nowhere else to look! With its simplified, intuitive design, Quick Unit Converter is here to simplify your life by enabling you to convert units quickly.

Why Choose Quick Unit Converter?

• Speed and EfficiencyYou can easily obtain the necessary results with our robust converter, which can handle a large range of units with speed and accuracy.

• SimplicityConverting units has never been so simple thanks to a clear, user-friendly interface. To convert a set of units, simply select them, enter the value, click the convert button, and let Quick Unit Converter handle the conversion for you.

• VersatilityWe support a wide range of units, from length and weight to temperature and volume. We can assist you with cooking, traveling, or working on a project.

• Free and easily achievableNo downloads or registration required. Quick Unit Converter can be accessed for free from any internet-connected device.

Experience the Difference

Save time by avoiding cumbersome antiquated converters. See how simple it can be to convert units by giving Quick Unit Converter a try right now!

We thank you for choosing Quick Unit Converter as your go-to resource for quick and precise unit conversions.

How to convert units using Quick Unit Converter?

It is a simple process to convert units using Quick Unit Converter. Select your from and to units and enter the value you want to convert. Press the Convert button, and it's done!

Unit Conversion

The unit is a term used to express a quantity. For example, the meter is a unit to represent the length quantity. There can be multiple units, bigger or smaller, to represent the same quantity. For example, the centimeter is a smaller unit of length, while the kilometer is a bigger unit than the meter to express the length.

Units representing the same quantity are related to each other by some conversion factor. Unit conversion is a way of expressing a quantity in different units without changing the quantity. The value of units is changed when the unit conversion is performed, but the quantity remains the same. For example, to convert the units of length from meters to centimeters, we need to apply the multiplication factor of 100, as 1 meter is equal to 100 centimeters. Thus, if we want to express 25 meters into centimeters, then we need to multiply 25 by 100 to get the result, which is 2500 centimeters. This doesn't change the length but the number of units.

Unit Systems

A unit system is a collection of units of different quantities. Currently, there exist three major unit systems, namely the International System of Units (SI), British Imperial System, and United States Customary Units.

The SI Unit System

The International System of Units, popularly known by its abbreviation SI, is a unit system invented in France in 1795 as the metric system, which was later started to be known by its current name, the SI Unit System. It is the most popular and most widely adopted unit system.

There are seven base quantities in the SI unit system. These are length, time, amount of substance, electric current, temperature, luminous intensity, and mass. There's a base unit defined for each of these quantities.

Base quantities and their base units in the SI unit system

Quantity	Base Unit	Symbol
Length	meter	m
Time	second	s
Amount of substance	mole	mol
Electric current	ampere	A
Temperature	kelvin	K
Luminous Intensity	candela	cd
Mass	kilogram	kg

Apart from these quantities, the SI unit system has some derived quantities, which are the quantities derived from the base quantities. For example, area is a derived quantity, which is the square of the length (L²). Thus the unit of the derived quantity Area is meter².

Similarly, volume is a derived quantity that is defined as the cube of the length (L³); thus, the unit of the derived quantity volume is meter³. Some other derived quantities include frequency (T^-1), force (LMT^-2),pressure(L^-1MT^-2), velocity (LT^-1), and acceleration (LT^-2). (Here, L stands for length, T for time, and M for mass.).

British Imperial System

The British Imperial System is a unit system used in the United Kingdom. It was first defined in 1824. The British Imperial System, or simply the Imperial System, is based on the old English units.

Some of the most popular units for the measurement of length are inch, foot, yard, and mile; for weight are pound, ounce, and stone; for area are acre and square mile; for volume are pint, quart, and gallon. Maritime units in the British Imperial System are fathom, cable, nautical mile, etc. Link, rod, chain, etc. are some units used for land surveying.

The base unit of length in the Imperial System is yard, and the base unit of mass is pound. All the other units in this system are multiples or fractions of a yard or pound. In comparison to the metric units, the value of a yard is 0.9144 meters, and the value of a pound is 0.45359237 kilograms.

United States Customary Units

United States Customary Units is a unit system mainly used in the United States. It was defined in 1832. This unit system is also based on English units. Like the British Imperial System, all the units are either fractions or multiples of two main units, yard and pound. There were some difficulties in measurements between countries that were using the Imperial System and the United States Customary Units, as the values of yard and pound were not exactly the same in these systems. To overcome these difficulties, an agreement was signed in 1959 by the seven countries, including the United States, Canada, United Kingdom, South Africa, Australia, and New Zealand. In this agreement, the value of international yard was defined as exactly 0.9144 meters, and the value of international pound or avoirdupois pound was defined as exactly 0.45359237 kg. These values have been used in both systems since then. Post-1959 agreement, most of the units in both the Imperial system and the United States Customary system became of the same value. The only exception was the foot, as the US continued to use the previous foot value for land surveying purposes and the international foot for all the other purposes. They renamed this previous foot as the U.S. Survey Foot, and all the units used for surveying purposes were calculated based on the U.S. Survey Foot.