Ozone columns describe the total amount of ozone in a column of air, e.g. between
the ground and the top of the atmosphere. A frequent unit for the ozone column is
the Dobson Unit (DU). It is assumed, that the ozone of the column in pure form is
present at normal pressure (1013.15 hPa) and at 0° C (273.15 K). The thickness
of this layer is then given in "milli-centimetre" (10^{-5} m).
For example 300 DU correspond to a layer of 3 mm thickness under the conditions
given above.

Similar calculations |

Air pollutants |
Units, volume mixing ratio. O3, NO2, SO2, CO... |

**Usage:**
Type the value of the ozone column you want to convert
into the field, behind which you find the unit.
Click on any empty space in the window or on the "calculate" button
and read the results in the other fields.
Use the "reset" button to delete your calculation.
Move the mouse over a unit or click on it to read its full name.

**Example:**
What value has an ozone column of 300 DU in the SI-unit kg / m^{2} ?
At first type "300" into the field in front of "DU" button.
Click on any empty space in the window or on the "calculate" button.
Find your result in the field in front of "kg/m²"
(6.4243·10^{-3} kg·m^{-2}).

**Remarks:**

- Please note the remarks about the
representation of numbers..

- There is no warranty for the calculation. Cactus2000 is not
responsible for damage of any kind caused by wrong results.

- Please send an email if you have suggestions or if you would like to see more
conversions to be included.

© Bernd Krüger, 29.04.2002, 11.08.2018