diff --git a/quantio/quantities.py b/quantio/quantities.py
index 6399764..7cfc22c 100644
--- a/quantio/quantities.py
+++ b/quantio/quantities.py
@@ -3,6 +3,21 @@
 from ._quantity_base import _QuantityBase
 
 
+class Area(_QuantityBase):
+    """The two-dimensional extent of an object."""
+
+    _UNIT_CONVERSION: dict[str, float] = {
+        "square_miles": 1609.34**2,
+        "square_kilometers": 10 ** (3 * 2),
+        "square_meters": 10**0,
+        "square_feet": 0.3048**2,
+        "square_inches": 0.0254**2,
+        "square_centimeters": 10 ** (-2 * 2),
+        "square_millimeters": 10 ** (-3 * 2),
+        "square_micrometers": 10 ** (-6 * 2),
+    }
+
+
 class Length(_QuantityBase):
     """The one-dimensional extent of an object or the distance between two points."""