PPB to PPM Calculator
Simple & Fast Conversion Tool
Convert PPB to PPM
PPB to PPM Conversion
PPB (parts per billion) and PPM (parts per million) are used to measure small concentrations in chemistry, environment, and lab testing.
Formula
PPM = PPB ÷ 1000
Examples
- 100 PPB = 0.1 PPM
- 500 PPB = 0.5 PPM
- 1000 PPB = 1 PPM
Applications
Used in water quality testing, pollution measurement, food safety, and laboratory analysis.
