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Percent to ppm converter

Convert percent to parts per million on the same mass basis.

Calculated result1,000 ppm

On a mass basis, 1,000 ppm is also 1,000 grams per metric tonne.

The formula

Parts per million = percent × 10,000.

How to use the result

Use the same analyte and mass basis. This does not convert elements to oxides or percent by volume to percent by mass.

Read the full method ↗

Method reviewed Sep 5, 2026. Examples are illustrative, not company data.