Online ozone calculators


Ozone dosage rates into water flows

Calculate ozone dosage rates into water based on your water flow rate (GPM) and desired ozone dosage rate (ppm) to determine the required ozone production rate for your system (g/hr)

GPM
ppm
g/hr ozone

(GPM x 3.78 x 60 x ppm) / 1,000 = g/hr ozone

This provides ozone dosage rates into water. Actual dissolved ozone levels in water will be different as no ozone system is 100% efficient at dissolving and keeping ozone in water.


Ozone Dosage Rate Calculator

Calculate ozone dosage rates into water based on your water flow rate (GPM) and ozone generator output (g/hr) to determine the dosage rate of water achieved with your water flow rate and ozone generator.

GPM
g/hr
ppm

(g/hr x 1,000) / (GPM x 3.78 x 60) = ppm

This provides ozone dosage rates into water.  Actual dissolved ozone levels in water will be different as no ozone system is 100% efficient at dissolving and keeping ozone in water.

Ozone Generator Output Calculators:


Calculate ozone output from LPM and g/m3 ozone concentration)

LPM
g/m3
g/hr

((LPM x 60) x 0.001) x g/m3 = g/hr

This calculation works the same regardless of feed-gas type (air or oxygen) as a mass (grams) is used in the calculation, therefore it is a direct calculation.


Calculate ozone output from LPM and % by weight, Oxygen feed-gas

LPM
% by weight
g/hr

((LPM x 0.001) x 60) x (14.3 x % by weight)

This calculates ozone output in g/hr when using oxygen feed-gas and % by weight ozone concentration.


Calculate ozone output from LPM and % by weight, Air feed-gas.

LPM
% by weight
g/hr

((LPM x 0.001) x 60) x (12.8 x % by weight)

This calculates ozone output in g/hr when using dry-air feed-gas and % by weight ozone concentration.

Common ozone unit of measure calculators:


Convert common ozone output units


lb/day

g/hr

mg/hr

kg/hr

lb/day = pounts per day

g/hr = grams per hour

mg/hr = milligrams per hour

kg/hr = killograms/hour

Convert any value into any other. Enter your flow and click Convert.


Ozone Concentration in air by volume

mg/l, g/m3, ug/ml
ppm
pphm
mg/m3 O3

1 mg/l = 1 g/m3 = 1 ug/ml = 467 ppm O3

1 ppm = 2.14 mg/m3 O3

100 pphm (parts per hundred million = 1 ppm (parts per million)

This calculator is only used for ozone concentrations values by volume. See below for by weight conversions.


Ozone Concentration in air by weight

g/m3 O3
ppm O3
%

100 g/m3 = 7.8% O3

1% = 12.8 g/m3 O3

1% = 7,284 ppm O3

This calculator is used for converting ozone concentration units when ozone is measured in air. For oxygen use the calculaotor below.


Ozone Concentration in oxygen by weight

g/m3 O3
ppm O3
%

100 g/m3 = 6.99% O3

1% = 14.3 g/m3 O3

1% = 6,520 ppm O3

This calculaotr is used for converting ozone concentration units when ozone is measured in oxygen. For air, use the calcultaor above.

Pressure and Flow Calculators:


Convert common flow values


SCFH

LPM

SCFM

GPM

m3/hr

SCFH = Standard Cubic Feet per Hour

LPM = Liters per Minute

GPM = Gallons per Minute

m3/hr = Cubic Meters per Hour

Convert any flow value into any other. Enter your flow and click Convert.


Corrected pressure for pressurized flow meter

Measured Flow
Pressure in PSI
Corrected Flow Rate

Corrected Flow = Measured flow X √ (PSI +14.7) / 14.7 

Calculate pressure in your float style flow-meter using this calculation. When flow-meters are under pressure the flow must be calculated for the pressure to provide accurate flow readings.


Pressure Calculator

PSI
Bar
Feed of Head
Torr

Convert any pressure value by entering value in the blank and pressing Convert.


Physical Properties of Ozone

Density of ozone = 2.14 kg/m3
Molecular weight of ozone = 48
Density of oxygen = 1.43 kg/m3
Molecular weight of oxygen = 32
Density of air = 1.29 kg/m3
Density of water = 1,000 kg/m3

 

 

Helpful Links:

-Ozone Dosage Rate Calculator HERE

-Calculate ozone generator output from g/m3 ozone concentration

-Calculate ozone generator output from % by weight ozone concentration

-Calculator to convert common ozone concentration units

-Ozone output units conversion calculator

-Calculator to convert common flow measurements

-Calculate flow in a pressurized flow-meter

-Other common units of measure HERE

-Other common ozone calculations HERE

Questions on your ozone application?  Call us, we enjoy discussing ozone applications and hope to help you find success in every ozone installation.

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