PPM Converter Calculator

Convert Between Different Parts-Per Units

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Understanding Parts Per Million (PPM)

Parts per million (PPM) is a way of expressing very dilute concentrations of substances. Just as percent means out of a hundred, PPM means out of a million. For example, 100 ppm equals 0.01% or one part per ten thousand.

Common Applications

  • Water quality measurement
  • Air pollution monitoring
  • Chemical solutions
  • Food and beverage industry
  • Environmental testing

Conversion Quick Reference

  • 1% = 10,000 ppm
  • 1 ppm = 0.0001%
  • 1 ppm = 1,000 ppb
  • 1 ppb = 0.001 ppm