Convert 1 Part per Million to Salinity Percentage

1 ppm (Part per Million) is equal to 0.0001 ppt (%) (Salinity Percentage). To convert from Part per Million to Salinity Percentage, multiply by 0.0001 or divide by 10,000.

• 1 ppm × 0.0001 = 0.0001 ppt (%)
• 1 ppm ÷ 10000 = 0.0001 ppt (%)