Pascals to centimeters of water converter on this page calculates how many centimeters of water are in 'X' pascals (where 'X' is the number of pascals to convert to centimeters of water). In order to convert a value from pascals to centimeters of water (from Pa to cmH2O) just type the number of Pa to be converted to cmH2O and then click on the 'convert' button.