PPB to PPM Conversion Calculator

This tool converts Parts Per Billion (PPB) to Parts Per Million (PPM).

🔁 PPM to PPB

Conversion Formula

PPM = PPB/1000

PPM is calculated by dividing PPB value by 1000.

Example Conversion

If you have a concentration of 10,000 PPB use the calculator to convert it to 10 PPM.


  • Air Quality: Converting air pollutant concentrations measured in PPM to PPB for more precise regulatory and health assessments.
  • Water Quality: Understanding trace concentrations of contaminants in water.
  • Industrial Processes: Managing the concentration of chemicals in manufacturing processes.