Convert 1 Grain per Gallon (US) to Part per Million

1 gr/gal(US) (Grain per Gallon (US)) is equal to 17.118061045325955 ppm (Part per Million). To convert from Grain per Gallon (US) to Part per Million, multiply by 17.118061045325955 or divide by 0.058417831163947595.

• 1 gr/gal(US) × 17.118061045326 = 17.118061045326 ppm
• 1 gr/gal(US) ÷ 0.058417831163948 = 17.118061045326 ppm