Reverse Osmosis System Sizing Calculator

Size RO systems based on daily production and recovery rate.

Required purified water per day.
GPD
RO recovery rate (50-85%).
%
Total dissolved solids.
ppm
Membrane rejection rate.
%

Results

Feed Water-GPD
Reject Water-GPD
Product TDS-ppm
References: NSF/ANSI 58; AMTA Standards; WQA Design Manual