PPM Calculator
https://calculator-online.net/ppm-calculator/
How to Convert Part/million (ppm) to Milligram/liter. 1 part/million (ppm) = 0.9988590004 mg/L. 1 mg/L = 1.001142303 part/million (ppm) Example: convert 15 part/million (ppm) to mg/L: 15 part/million (ppm) = 15 × 0.9988590004 mg/L = 14.9828850055 mg/L. For gases: concentration (mg/m3) = 0.0409 x concentration (ppm) x molecular weight For liquids: 1 ppm = 0.001 mg/ml For water: 1 part/million (ppm) = 0.9988590004 mg/L For other substances in water: mg/L = PPM times Density div 1000
For gases: concentration (mg/m3) = 0.0409 x concentration (ppm) x molecular weight
For liquids: 1 ppm = 0.001 mg/ml
For water: 1 part/million (ppm) = 0.9988590004 mg/L
For other substances in water: mg/L = PPM times Density div 1000
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