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Free Engineering Tools

Free engineering calculators for reverse osmosis sizing, water softening, ion exchange resin volume, and chemical dosing. Eurotech Water tools help you estimate system capacity, membrane count, and operating costs.

Reverse Osmosis Sizing

Estimate membrane count, feed flow, pressure and energy cost for industrial or seawater RO.

Quick presets
Seawater: 35,000+ ppm · Brackish: 2,000–8,000 ppm
70%

Results

Enter your parameters and click Calculate to see results.

Recommended system
Membranes
Energy cost
Feed flow
Reject / concentrate
Estimated pressure

Indicative values. Contact Eurotech Water for detailed engineering.

Water Softener Sizing

Size ion exchange resin volume, vessel diameter and salt consumption for boiler feed or process water.

Quick presets

Results

Enter your parameters and click Calculate to see results.

Resin volume
Vessel size
Salt consumption
Regeneration
Daily hardness load

Ion Exchange Resin Volume

Calculate cation, anion or mixed bed resin volume and regeneration requirements.

Results

Enter your parameters and click Calculate to see results.

Resin volume
Output quality
Regeneration cycle
Resin type
Regeneration chemical

Chemical Dosing Calculator

Select dosing pump flow, daily chemical use and tank refill interval for antiscalant, chlorine or pH control.

Quick presets

Results

Enter your parameters and click Calculate to see results.

Dosing pump flow
Daily chemical use
Tank refill
Chemical

Need a detailed engineering quote?

Our project team sizes RO, softening and demineralization plants for industrial applications worldwide.

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About These Calculators

Eurotech Water calculators support preliminary sizing for industrial water treatment projects. RO calculator estimates membrane count based on TDS and recovery. Softening calculator sizes ion exchange resin for boiler feed and process water. Resin calculator supports cation, anion and mixed bed systems. Chemical dosing calculator helps select dosing pump capacity for antiscalant, chlorine and pH control.