Old of How to Size Your Water Softener (non mobile)
Use our water softener sizing calculator to choose the proper
size water softener.
Enter Your Information and Click Calculate *Round up where applicable.
Note: If hardness is measured in MG/L or PPM divide it by 17.1 to convert to GPG. If on city water leave iron as 0.0 mg/l. Then match the grains per day range below for the proper size, click on link to view your best choices.
What do your results mean: Click on the link that matched your calculations to view your best choices.