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Convert ppm, percent and per mille

Converter for the specification ppm, parts per million, in percent and per mille.

ppm can often be found as specification of low concentrations. 1 ppm means one part of one million, 1 percent is one part of one hundred and 1 per mille is one part of one thousand.

ppm = per mille = percent

Please enter one value, the other two will be calculated.

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