diff --git a/Src/IACore/inc/hpp/IACore/Types.hpp b/Src/IACore/inc/hpp/IACore/Types.hpp
index 9e26e22..e6010a1 100644
--- a/Src/IACore/inc/hpp/IACore/Types.hpp
+++ b/Src/IACore/inc/hpp/IACore/Types.hpp
@@ -18,6 +18,8 @@
 
 #include <IACore/Checks.hpp>
 
+#include <limits>
+
 namespace ia
 {
   template<typename _value_type>
@@ -113,6 +115,9 @@ namespace ia
     }
   } GUID;
 
+  STATIC CONSTEXPR FLOAT32 FLOAT32_EPSILON = std::numeric_limits<FLOAT32>::epsilon();
+STATIC CONSTEXPR FLOAT32 FLOAT64_EPSILON = std::numeric_limits<FLOAT64>::epsilon();
+
   namespace types
   {
     static BOOL __internal_validate_types()