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PPM Converter

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PPM:

PPM stands for "parts per million" and it is used to measure the concentration of the solution in water or air. It can also be expressed in milligrams per liter(mg/L).

PPB:

PPB stands for "parts per billion" and it is used to measure the concentration of the solution(mole fraction or mass fraction). One ppb is equal to 1 µg/l.

PPT:

PPT stands for "parts per trillion" and it is used to measure the concentration of the solution in water or air. One PPT is equal to one nanogram per kilogram.

The proportion metrics are as follows:

Percentage: equal to 1 per 100
Permille: equal to 1 per 1,000
PPM: equal to 1 per 1,000,000
PPB: equal to 1 per 1,000,000,000
PPT: equal to 1 per 1,000,000,000,000