NIE Calculator by SUPRIX

Media · Regenerant · Dosing — pick a calculator below to get started
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How to use: Tap a calculator below, fill in the form (every field has a short explanation under it), then tap Calculate. Your result appears instantly in a pop-up — no internet calculations are saved or sent anywhere.

Media Calculator

Estimate filter media, resin & under‑bed quantities

Regenerant Calculator

Acid, salt & caustic requirements for resin regeneration

Dosing Calculator

Pump stroke, stock solution & batch preparation

Engineering Calculator

RO performance · Water quality conversions · Softener/IX capacity · STP/ETP loading

Media Calculator

Vessel Setup
Choose the media or resin loaded in the vessel.
Material of Construction — determines under‑bed type.
Vessel Dimensions
Enter whichever you have on hand — the other is calculated automatically.
Matches the measurement type selected above.
Enter a positive number.
mm
Defaults based on vessel type.
HOS must be a positive number.
Total vessel height — used only for total volume reference.

Regenerant Calculator

Resin & Regeneration
Choose the resin to be regenerated.
Total volume of resin in the vessel.
Enter a positive number.
Determines the dilution concentration (10% for 1:1, 30% for 1:5).
Strength of the commercial chemical solution.
Enter a value between 0.1 and 100.
Density of the commercial chemical solution.
Enter a positive number.

Dosing Calculator

Dosing Parameters
Average flow rate of the water to be treated.
Enter a positive number.
Dosage of pure chemical in parts per million (mg/L).
Enter a positive number.
Purity of the commercial chemical product.
Enter a value between 0.1 and 100.
LPH
Maximum flow rate of the dosing pump (litres per hour).
Enter a positive number.
%
Example: 1% means 1 kg chemical per 100 L of water.
Enter a value between 0.1 and 100.
L
Enter the amount of water you want to use for the batch.

Engineering Calculator

Category
Pick the category, then fill in the fields that appear below.
RO Performance
Reading off the feed flow meter.
Reading off the permeate flow meter.
mg/L
Enables salt rejection %.
mg/L
m²
Enables flux (LMH). Sum of all elements' active area.