What is the formula for PPT to PPM?

PPM = PPT ÷ 1,000,000. One trillion is 1,000,000 times one million in ratio terms.

PPT is used for ultra-trace concentrations (e.g. some environmental contaminants, toxicity studies).

Online PPT to PPM Converter

Convert parts per trillion (PPT) to parts per million (PPM). Formula: PPM = PPT ÷ 1,000,000.

PPT (parts per trillion)

What is the formula for PPT to PPM?: PPM = PPT ÷ 1,000,000. One trillion is 1,000,000 times one million in ratio terms.
When is PPT used?: PPT is used for ultra-trace concentrations (e.g. some environmental contaminants, toxicity studies).
Is 1,000,000 ppt equal to 1 ppm?: Yes. 1,000,000 ppt = 1 ppm.

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