Torr to centimeters of water conversion calculator above calculates how many centimeters of water are in 'X' torr (where 'X' is the number of torr to convert to centimeters of water). In order to convert a value from torr to centimeters of water (from Torr to cmH2O) just type the number of Torr to be converted to cmH2O and then click on the 'convert' button.