Sometimes a " -" is used to distinguish a unit name from an expression with the same words. If you need a subtraction operator or negative sign involving just unit names, put at least one space around the " -". In general, a " -" connecting names is treated the same as a space. For example, if you want to convert from. Modifiers square, sq, squared, cubic, cu, cubed, and Convert among units for any base unit of measure such as gram or meter or second or byte, etc. However, if the expressions are simple and have the same dimensions, a space is treated as an addition (which is common with written expressions). Our bulk material calculator is a powerful tool that will help you calculate the volume of stone required. A trig function argument without units is considered to be in radians but you can also use units such as deg with function arguments.Ī space between expressions represents the multiply operator. SI derived units with special names and symbols. For ease of understanding and convenience, 22 SI derived units have been given special names and symbols, as shown in Table 3. Sin, cos, tan, arcsin, arccos, arctan, sinh, cosh, tanh, log, ln, and exp represent their respective scientific functions. kilogram per kilogram, which may be represented by the number 1. Standard metric power prefixes are supported. The expression entry is very flexible try typing an expression as you would normally write it.Ībbreviations are supported (see the name index). This can be as simple as a unit name or as complex as a formula involving additions, subtractions, multiplications, divisions, powers, square roots, and scientific functions (sin, cos, tan, arcsin, arccos, arctan, sinh, cosh, tanh, log, ln, and exp). The "From" EntryĮnter the units or the mathematical expression with units that you want to convert. Although they are dimensionless derived units, this tool also reports radians (plane-angle) and steradians (solid-angle) for clarity. The base units are meter (length), kilogram (mass), second (time), kelvin (temperature), ampere (electric-current), mole (amount-of-substance), and candela (luminous-intensity). This calculator converts the "From" entry to the base units of the International System of Units (SI units) which is commonly called the metric system.
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