Science Addicted Water Hardness Calculator

Science Addicted

Your Water Hardness Companion

Calcium (Ca) Concentration (mg/L):

Magnesium (Mg) Concentration (mg/L):

Hardness Scale:

Soft: 0-60 mg/L

Moderately Hard: 61-120 mg/L

Hard: 121-180 mg/L

Very Hard: >180 mg/L