diff --git a/libs/geom/include/psemek/geom/constants.hpp b/libs/geom/include/psemek/geom/constants.hpp
new file mode 100644
index 00000000..dc305313
--- /dev/null
+++ b/libs/geom/include/psemek/geom/constants.hpp
@@ -0,0 +1,8 @@
+#pragma once
+
+namespace psemek::geom
+{
+
+	constexpr float pi = 3.141592653589793f;
+
+}