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🔬 PPM Calculator
Calculate parts per million, convert between ppm, percentage, and mg/L.
How PPM Calculations Work
Parts per million (ppm) expresses one unit per million units of total. To find ppm, divide the part by the whole and multiply by 1,000,000. Key conversions: 1 ppm = 0.0001%, 10,000 ppm = 1%, and 1 ppm equals approximately 1 mg/L in dilute aqueous solutions. PPM is commonly used in chemistry, environmental science, and water quality testing.
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