Conversion
PPM to mg/L Converter
Convert ppm to mg/L (for water).
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In water, 1 ppm ≈ 1 mg/L (since 1 L of water is ~1 kg).
The math behind it
mg/L = ppm (for dilute aqueous solutions, water density ≈ 1).
Worked Example
200 ppm = 200 mg/L.
Frequently Asked Questions
Not water?
For liquids of different density, mg/L = ppm × density.
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