Millimeters of mercury to centibars converter on this page calculates how many centibars are in 'X' millimeters of mercury (where 'X' is the number of millimeters of mercury to convert to centibars). In order to convert a value from millimeters of mercury to centibars (from mmHg to cbar) type the number of mmHg to be converted to cbar and then click on the 'convert' button.