While this may work on a local level, when considering trade, as well as science, having systems of units based on units that others may not be able to relate to or understand makes interaction difficult. As such, the development of more universal and consistent systems developed over time. Today, some of the systems of units in use include the metric system, the imperial system, and the United States customary units.
The International System of Units SI is the standard metric system that is currently used, and consists of seven SI base units of length, mass, time, temperature, electric current, luminous intensity, and amount of substance.
Although SI is used almost universally in science including in the US , some countries such as the United States still use their own system of units. This is partly due to the substantial financial and cultural costs involved in changing a measurement system compared to the potential benefit of using a standardized system.
As such, many unit converters including this Conversion Calculator exist, and will continue to do so to ensure that people globally are able to communicate different measurements effectively. 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 of weight, which had a weight roughly equivalent to 45 fully grown grains of barley. Ten dirhems comprised a Wukryeh, which was translated into Latin as an "uncia" — the origin of the word "ounce.
Over time, trade spread from the Mediterranean area to Europe, including the northern German City States. Language supported English United States. Additional terms Terms of transaction. Seizure warnings Photosensitive seizure warning. Report this product Report this app to Microsoft Thanks for reporting your concern.
Our team will review it and, if necessary, take action. Sign in to report this app to Microsoft. Report this app to Microsoft. Click on a Tab to view options to convert units in the selected category. Once you select a category, you can select the Input and Output units. Enter the value to be converted in Input section to view the result in Output section. Unit Converter Professional lets you convert units as well as provides various mathematical formulas for calculations.
To access unit converter, click on the measurement category for which you want the units to be converted. Options to convert acceleration, angle, velocity, area, capacitance, charge, conductance, current, distance , temperature, pressure, time, torque , etc. Clicking on any of the category opens a new window. Select the Input and output units and proceed with entering the value to be converted.
Option to change unit category is available on this window as well. Easy Unit Converter is a simple unit conversion software for Windows with very few but useful measurement categories. The categories available are: Temperature, length, area, volume , and weight. Click on a category to view its unit conversion options.
There you can select the units for conversion from dropdown. Enter the value to get the result. Converber is a good free unit converter.
Use it to convert units of various measurement quantities. Go to the Categories tool to select a measurement category. Some of the categories available are: Acceleration, angle, area, base, computer, currency, distance, density, electricity, energy, flow, force, frequency, mass, power, pressure, time, torque, speed, volume , etc. After selecting a category, two separate lists of units appear falling in the same category.
Select the Input and Output category, then enter the value to convert to view the result. ESBUnitConv lets you select measurement categories through various tabs. These categories include acceleration, angles, area, distance, energy, flow, mass, force, illumination, power, pressure, quantity, radioactivity, temperature , etc. When you a select a category, units related to it are displayed in From and To tables. Choose the units for conversion and enter value in the From box; the converted value will be displayed in the To box.
Total number of units related to a category is displayed. You can also choose decimal place upto 18 places for precision. Unit Converter is a simple unit conversion freeware. There are some, but very important measurement categories available here for unit conversion.
These include Distance conversions, weight conversions, computer conversions, capacity conversions, and temperature conversions. For each tab, the conversion option are available in boxes as displayed in the picture above.
Enter the value to be converted in the Unit box, then click on the conversion type to get the answer. A list of units is displayed along with boxes in front of them. Add a value to any of the boxes and converted values will appear for each unit in their respective boxes.
Option to adjust decimal accuracy is also available. These unit categories are angles and temperatures. After selecting one of these, choose two units for conversion, then enter a value which you want to convert.
Get result instantly. Just like other unit conversion software, Unit Converter lets you choose a measurement category from various tabs, then select input and output units associated with them. After choosing the units, enter the value to be converted in Input Value field to obtain result in Output Value field.
NumericalChameleon is a cross platform unit converter freeware. Select a group from the Group dropdown, then select the measurement category. Now you can select a Source unit and a target unit for unit conversion. Groups of categories present here are: 2D, automobile, computer, electricity, favorites, magnetism, math , office, optics, physics, time, radioactivity, travel, and workshop. Under these groups you will find various categories, such as: area, angle, resolution, geographic coordinates, power, velocity, acceleration, time , length, unicode, data storage, data transfer, electric current, electric density, electric voltage, electric flux density, resistance, conductance , etc.
UNeedIT Converter has 6 measurement categories under which you can convert units. Each category contains a limited, but important set of units.
Each unit has a box to enter values. Enter a value in any of the units available and converted value for every other units will be displayed. Aviation Tool lets you convert units of four different measurement categories. You can change units for Altitude, Distance, Speed , and Pressure.
The units available for these categories are:. That's definitely the case with Conversion Calculator. It's not much to look at, but it may well be the most comprehensive conversion calculator we've ever seen. The program's interface is quite plain; it's not particularly attractive, but it is intuitive.
There are spaces for your source value and the conversion, a number pad with keys for entering negatives and fractions , and two absolutely huge dropdown menus that contain the various units that the program can convert.
We encountered quite a few units we'd never even heard of, although we did notice that common cooking measurements were absent; if you need to know how many tablespoons are in a cup, this program can't help you. One thing we loved about Conversion Calculator was that it doesn't make users scroll through this monstrous dropdown to find the unit they're looking for; there's also a small letter keypad, and users can click on the first letter of their unit to skip to it automatically in the list.
Conversion Calculator also lets users specify the maximum number of digits in a number as well as the number of decimal places. A built-in Help file provides a thorough overview of the program's features.
Overall, we were quite impressed with Conversion Calculator, and we think it's a great thing to have around whether you're building something, doing your science homework, or working with any other units of measurement that need conversion. Free YouTube Downloader.
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