Index: PressureCommon.c
===================================================================
diff -u -ra6e50d961f79536e62469297ce39f3fb258a25e1 -re17124f84bdd75e18007f27e0cb38471f119337e
--- PressureCommon.c	(.../PressureCommon.c)	(revision a6e50d961f79536e62469297ce39f3fb258a25e1)
+++ PressureCommon.c	(.../PressureCommon.c)	(revision e17124f84bdd75e18007f27e0cb38471f119337e)
@@ -24,15 +24,15 @@
 
 // ********** private definitions **********
 
-#define KPA_TO_MMHG                         ( 7.50062F )                                    ///< Conversion factor for converting kPa to mmHg.
+#define BAR_TO_MMHG                         ( 750.062F )                                    ///< Conversion factor for converting bar to mmHg.
 
 #define PRESSURE_FS                         ( 80.0F )                                       ///< Pressure sensor full scale percentage.
 #define PRESSURE_ZERO                       ( 0.0F )                                        ///< Pressure sensor zero value.
 #define PRESSURE_FS_RATIO                   ( 0.9F )                                        ///< Pressure sensor full scale ratio.
 #define PRESSURE_ZERO_RATIO                 ( 0.1F )                                        ///< Pressure sensor zero ratio.
 #define PRESSURE_DIVIDER                    ( 8388608.0F )                                  ///< Pressure sensor divider.
 
-/// Scaler value for converting pressure readings to kPa.
+/// Scaler value for converting pressure readings from kPa to bar (100th).
 #define PRESSURE_SCALER                     ( ( PRESSURE_FS - PRESSURE_ZERO ) / \
                                               ( PRESSURE_FS_RATIO - PRESSURE_ZERO_RATIO ) )
 
@@ -55,11 +55,11 @@
  *************************************************************************/
 F32 convertPressureReading2mmHg( S32 counts )
 {
-    F32 pressure_kPa, mmHg;
+    F32 pressure_bar, mmHg;
 
-    // Convert raw pressure counts to kPa and then to mmHg
-    pressure_kPa = ( ( (F32)counts / PRESSURE_DIVIDER ) - PRESSURE_ZERO_RATIO ) * PRESSURE_SCALER;
-    mmHg         = pressure_kPa * KPA_TO_MMHG;
+    // Convert raw pressure counts to bar and then to mmHg
+    pressure_bar = ( ( (F32)counts / PRESSURE_DIVIDER ) - PRESSURE_ZERO_RATIO ) * PRESSURE_SCALER;
+    mmHg         = pressure_bar * BAR_TO_MMHG;
 
     return mmHg;
 }