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Grains Per Gallon To Calcium Carbonate Ppm Converter

Convert US water hardness in grains per gallon (gpg) to milligrams per liter as calcium carbonate (CaCO3).






171.18061045271 mg/L as CaCO3

Conversion Table

gpgmg/L as CaCO3

How This Converter Works

Convert US grains per gallon to milligrams per liter as calcium carbonate. Select the reverse direction to convert back.

Formula or rule

mg/L as CaCO3 = gpg times 17.118061045271; gpg = mg/L as CaCO3 divided by 17.118061045271

Example

Input
10 gpg
Calculation
10 times 17.118061045271 = 171.18061045271
Result
171.18061045271 mg/L as CaCO3

Notes

This uses the US gallon and the calcium carbonate reference basis.