Parts Per Million (PPM) Calculator

Calculate Solution Concentrations in PPM

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Mass to PPM Calculator

Calculate PPM from mass of solute and solution.

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PPM to Mass Calculator

Calculate mass of solute needed for desired PPM.

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Concentration to PPM Converter

Convert between concentration units and PPM.

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Understanding PPM

What is PPM?

Parts per million (PPM) represents the mass ratio of solute to solution multiplied by 10⁶:

PPM = (mass of solute / mass of solution) × 10⁶

1 PPM = 1 mg/L (for dilute aqueous solutions)

Common Applications

PPM is used for:

  • Water quality analysis
  • Environmental monitoring
  • Trace element analysis
  • Industrial quality control

Conversions

Common conversion factors:

  • 1 PPM = 0.0001% mass
  • 1% = 10,000 PPM
  • 1 mg/L ≈ 1 PPM (in water)
  • PPM = M × (molar mass)

Practical Examples

Typical PPM values:

  • Drinking water Cl: 4 PPM
  • Air CO₂: 400 PPM
  • Seawater Mg: 1350 PPM
  • Soil nutrients: 1-1000 PPM