For example, a gigagram (Gg) or 10 9 g is 10 3 tonnes, commonly called a kilotonne. Other units of mass are also in use. Historical units include the stone, the pound, the carat, and the grain. For subatomic particles, physicists use the mass equivalent to the energy represented by an electronvolt (eV).

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Concentration percentage unit conversion between microgram/milligram and nanogram/gram, nanogram/gram to microgram/milligram conversion in batch, ug/mg ng/g conversion chart

Convert units: kg/kg, % [mass], g/kg, g/t, kg/sack [94lbm], kg/t, mg/g, mg/kg, ng/g, ng/mg, ppm [mass], ug/g, ug/mg

Commonly, concentration units are presented using units in the form of mass per volume (e.g. milligrams per litre, mg/L, mg.L-1) for water samples or mass per mass (e.g. milligrams per kilogram, mg/kg, mg.kg-1) for sediment, soil or biota samples. However, units expressed as parts per a number (e.g. parts per million, ppm) may still be encountered.

Micrograms to Milligrams (µg to mg) conversion calculator for Weight conversions with additional tables and formulas.

Sep 9, 2011 · 重量单位，g, mg, ug, pg , ng 之间是什么换算关系1 mg = 10^-3 g（1毫克 = 10^-3 克）1 ug = 10^-6 g（1微克 = 10^-6 克）1 pg = 10^-12 g（1皮克 = 10^-12 克）1 ng = 10^-9 g（1纳克 = 10^-9 克） 1 g = 1000 mg

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