How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Hardness as CaCO3
2.497*calcium+4.118*magnesiumWater Hardness Calculator
Calcium-carbonate-equivalent hardness from Ca²⁺ and Mg²⁺ only.
Calcium-carbonate-equivalent hardness from Ca²⁺ and Mg²⁺ only.
Result
Enter your values and run the tool to see your result.