Enter a value in centimeter of water (cmH₂O) in the "From" field, and the equivalent value in technical atmosphere (at) will be displayed in the "To" field automatically.

The conversion factor between centimeter of water and technical atmosphere is calculated automatically based on their relationship to the base unit in the pressure / stress category.

Yes, you can convert between any units in the pressure / stress category. Use the dropdown menus to select different units.