ozone
Ozone Gas Concentration Unit Conversion Table Explained

Ozone concentration is measurable in several different units depending on the application, industry, or measurement environment. Here is an explanation of the conversion table found on the Acniti website, which shows conversions between commonly used ozone concentration units:
G/nM3 | PPM | VOL% | WT% |
1 | 466.666667 | 0.04666667 | 0.06998367 |
10 | 4,666.66667 | 0.46666667 | 0.69837047 |
100 | 46,666.6667 | 4.6666667 | 6.84039088 |
0.00214286 | 1 | 0.0001 | 0.00015 |
0.02142857 | 10 | 0.001 | 0.00149999 |
0.21428571 | 100 | 0.01 | 0.01499925 |
21.4285714 | 10,000 | 1 | 1.49253731 |
214.285714 | 100,000 | 10 | 14.2857143 |
428.571429 | 200,000 | 20 | 27.2727273 |
14.3334926 | 6,688.96321 | 0.66889632 | 1 |
147.783251 | 68,965.5172 | 6.89655172 | 10 |
306.122449 | 142,857.143 | 14.2857143 | 20 |
2142.85714 | 1,000,000 | 100 | 100 |
Units Explained
G/nm³ (grams per normal cubic meter):
- A measure of how many grams of ozone are present in one cubic meter of air at standard temperature and pressure.
- Commonly used in industrial applications and by engineers designing ozone systems.
PPM (parts per million):
- Expresses the number of ozone molecules per million air molecules.
- Widely used for measuring ozone in air, especially for environmental, safety, and regulatory monitoring.
VOL% (volume percent):
- Indicates what fraction of the total air volume is ozone.
- Useful in high-concentration ozone gas production and laboratory settings.
WT% (weight percent):
- The proportion by weight of ozone in the gas mixture, expressed as a percentage.
- Important in situations where mass is more critical than volume, for example, in chemical processing or dosing.
How to Use the Table
- Find your starting unit in the leftmost column (for example, G/nm³).
- Move across the row to find the equivalent value in the other units (PPM, VOL%, WT%).
- For example, 1 G/nm³ of ozone is equivalent to:
- 466.67 PPM
- 0.0467 VOL%
- 0.06998 WT%
Practical Example
If an ozone generator produces 10 G/nm³, the table shows this is equivalent to:
- 4,666.67 PPM
- 0.4667% by volume
- 0.6984% by weight
Remarks
- These conversions are crucial for designing, calibrating, and operating ozone equipment, particularly when comparing specifications or translating environmental limits and dosing requirements across different countries or industries.
- The accuracy of conversion depends on temperature, pressure, and measurement standards—these values are based on standard conditions.
- This table serves as a quick reference for engineers, researchers, and practitioners working with ozone in various applications, ensuring precision and consistency in measurement and reporting.
Links
50 Links to other pages: ozone
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specification sheet: Oxiti Industrial ozone concentrator for aeration, water treatment in ponds lakes, fish cultivation and aquaculture for the American market
spec sheet Oxiti Industrial oxygen concentrator for aeration, water treatment in pond lakes fish cultivation and aquaculture for the European and Asian Market
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specification sheet: Oxiti Industrial ozone concentrator for aeration, water treatment in ponds lakes, fish cultivation and aquaculture for the American market
spec sheet Oxiti Industrial oxygen concentrator for aeration, water treatment in pond lakes fish cultivation and aquaculture for the European and Asian Market
specification sheet: Oxiti Industrial oxygen concentrator for aeration, water treatment in ponds lakes, fish cultivation and aquaculture for the Japanese market
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