diff --git a/homeassistant/const.py b/homeassistant/const.py
index ccb1fd02986..2f408491d29 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -470,6 +470,7 @@ FREQUENCY_GIGAHERTZ: Final = "GHz"
 # Pressure units
 PRESSURE_PA: Final = "Pa"
 PRESSURE_HPA: Final = "hPa"
+PRESSURE_KPA: Final = "kPa"
 PRESSURE_BAR: Final = "bar"
 PRESSURE_MBAR: Final = "mbar"
 PRESSURE_INHG: Final = "inHg"
diff --git a/homeassistant/util/pressure.py b/homeassistant/util/pressure.py
index 95b32a69643..53bbbffc01e 100644
--- a/homeassistant/util/pressure.py
+++ b/homeassistant/util/pressure.py
@@ -8,6 +8,7 @@ from homeassistant.const import (
     PRESSURE_BAR,
     PRESSURE_HPA,
     PRESSURE_INHG,
+    PRESSURE_KPA,
     PRESSURE_MBAR,
     PRESSURE_PA,
     PRESSURE_PSI,
@@ -17,6 +18,7 @@ from homeassistant.const import (
 VALID_UNITS: tuple[str, ...] = (
     PRESSURE_PA,
     PRESSURE_HPA,
+    PRESSURE_KPA,
     PRESSURE_BAR,
     PRESSURE_MBAR,
     PRESSURE_INHG,
@@ -26,6 +28,7 @@ VALID_UNITS: tuple[str, ...] = (
 UNIT_CONVERSION: dict[str, float] = {
     PRESSURE_PA: 1,
     PRESSURE_HPA: 1 / 100,
+    PRESSURE_KPA: 1 / 1000,
     PRESSURE_BAR: 1 / 100000,
     PRESSURE_MBAR: 1 / 100,
     PRESSURE_INHG: 1 / 3386.389,
diff --git a/tests/util/test_pressure.py b/tests/util/test_pressure.py
index d92cc32542f..d6211fa5343 100644
--- a/tests/util/test_pressure.py
+++ b/tests/util/test_pressure.py
@@ -4,6 +4,7 @@ import pytest
 from homeassistant.const import (
     PRESSURE_HPA,
     PRESSURE_INHG,
+    PRESSURE_KPA,
     PRESSURE_MBAR,
     PRESSURE_PA,
     PRESSURE_PSI,
@@ -20,6 +21,7 @@ def test_convert_same_unit():
     assert pressure_util.convert(3, PRESSURE_HPA, PRESSURE_HPA) == 3
     assert pressure_util.convert(4, PRESSURE_MBAR, PRESSURE_MBAR) == 4
     assert pressure_util.convert(5, PRESSURE_INHG, PRESSURE_INHG) == 5
+    assert pressure_util.convert(6, PRESSURE_KPA, PRESSURE_KPA) == 6
 
 
 def test_convert_invalid_unit():
@@ -49,17 +51,43 @@ def test_convert_from_hpascals():
     assert pressure_util.convert(hpascals, PRESSURE_HPA, PRESSURE_PA) == pytest.approx(
         100000
     )
+    assert pressure_util.convert(hpascals, PRESSURE_HPA, PRESSURE_KPA) == pytest.approx(
+        100
+    )
     assert pressure_util.convert(
         hpascals, PRESSURE_HPA, PRESSURE_MBAR
     ) == pytest.approx(1000)
 
 
+def test_convert_from_kpascals():
+    """Test conversion from hPA to other units."""
+    kpascals = 100
+    assert pressure_util.convert(kpascals, PRESSURE_KPA, PRESSURE_PSI) == pytest.approx(
+        14.5037743897
+    )
+    assert pressure_util.convert(
+        kpascals, PRESSURE_KPA, PRESSURE_INHG
+    ) == pytest.approx(29.5299801647)
+    assert pressure_util.convert(kpascals, PRESSURE_KPA, PRESSURE_PA) == pytest.approx(
+        100000
+    )
+    assert pressure_util.convert(kpascals, PRESSURE_KPA, PRESSURE_HPA) == pytest.approx(
+        1000
+    )
+    assert pressure_util.convert(
+        kpascals, PRESSURE_KPA, PRESSURE_MBAR
+    ) == pytest.approx(1000)
+
+
 def test_convert_from_inhg():
     """Test conversion from inHg to other units."""
     inhg = 30
     assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_PSI) == pytest.approx(
         14.7346266155
     )
+    assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_KPA) == pytest.approx(
+        101.59167
+    )
     assert pressure_util.convert(inhg, PRESSURE_INHG, PRESSURE_HPA) == pytest.approx(
         1015.9167
     )