PPM to Molarity Calculator
Convert PPM to Molarity
About PPM to Molarity Conversion
Parts per million (PPM) and molarity are different ways to express concentration. PPM is mass-based while molarity is mole-based.
PPM to Molarity:
M = (PPM × 10⁻³) / MW
Molarity to PPM:
PPM = M × MW × 10³
PPB to Molarity:
M = (PPB × 10⁻⁶) / MW
Where:
- M = Molarity (mol/L)
- PPM = Parts per million (mg/L)
- PPB = Parts per billion (μg/L)
- MW = Molecular weight (g/mol)
Common Applications:
• Water quality analysis
• Environmental monitoring
• Food safety testing
• Pharmaceutical analysis
Conversion Factors:
• 1 PPM = 1 mg/L
• 1 PPB = 1 μg/L
• 1 mg = 10⁻³ g
• 1 μg = 10⁻⁶ g
This conversion is essential in analytical chemistry, environmental science, and quality control applications.