diff --git a/components/panasonic_heatpump/sensor/__init__.py b/components/panasonic_heatpump/sensor/__init__.py
index e962e6c..f03225f 100644
--- a/components/panasonic_heatpump/sensor/__init__.py
+++ b/components/panasonic_heatpump/sensor/__init__.py
@@ -31,7 +31,6 @@
 
 UNIT_LITRE_PER_MINUTE = "L/min"
 UNIT_ROTATIONS_PER_MINUTE = "r/min"
-UNIT_PRESSURE_KGFCM2 = "kgf/cm²"
 UNIT_BAR = "bar"
 ICON_PUMP = "mdi:pump"
 ICON_VALVE = "mdi:pipe-valve"
@@ -604,7 +603,7 @@
             accuracy_decimals=2,
             device_class=DEVICE_CLASS_PRESSURE,
             state_class=STATE_CLASS_MEASUREMENT,
-            unit_of_measurement=UNIT_PRESSURE_KGFCM2,
+            unit_of_measurement=UNIT_BAR,
         ),
         cv.Optional(CONF_TOP65): sensor.sensor_schema(
             PanasonicHeatpumpSensor,
@@ -618,7 +617,7 @@
             accuracy_decimals=2,
             device_class=DEVICE_CLASS_PRESSURE,
             state_class=STATE_CLASS_MEASUREMENT,
-            unit_of_measurement=UNIT_PRESSURE_KGFCM2,
+            unit_of_measurement=UNIT_BAR,
         ),
         cv.Optional(CONF_TOP67): sensor.sensor_schema(
             PanasonicHeatpumpSensor,
diff --git a/components/panasonic_heatpump/sensor/panasonic_heatpump_sensor.cpp b/components/panasonic_heatpump/sensor/panasonic_heatpump_sensor.cpp
index 7e4355e..bab6758 100644
--- a/components/panasonic_heatpump/sensor/panasonic_heatpump_sensor.cpp
+++ b/components/panasonic_heatpump/sensor/panasonic_heatpump_sensor.cpp
@@ -3,6 +3,7 @@
 namespace esphome {
 namespace panasonic_heatpump {
 static const char* const TAG = "panasonic_heatpump.sensor";
+static constexpr float KGF_CM2_TO_BAR = 0.980665f;  // 1 kgf/cm² = 0.980665 bar
 
 void PanasonicHeatpumpSensor::dump_config() {
   LOG_SENSOR("", "Panasonic Heatpump Sensor", this);
@@ -261,7 +262,7 @@ void PanasonicHeatpumpSensor::publish_new_state(const std::vector<uint8_t>& data
       return;
     break;
   case SensorIds::CONF_TOP64:
-    new_state = PanasonicDecode::getByteMinus1Div5(data[163]);
+    new_state = PanasonicDecode::getByteMinus1Div5(data[163]) * KGF_CM2_TO_BAR;
     if (this->has_state() && this->get_state() == new_state)
       return;
     break;
@@ -271,7 +272,7 @@ void PanasonicHeatpumpSensor::publish_new_state(const std::vector<uint8_t>& data
       return;
     break;
   case SensorIds::CONF_TOP66:
-    new_state = PanasonicDecode::getByteMinus1Times50(data[164]);
+    new_state = PanasonicDecode::getByteMinus1Times50(data[164]) * KGF_CM2_TO_BAR;
     if (this->has_state() && this->get_state() == new_state)
       return;
     break;