diff --git a/include/XPath/impl/xpath_function.hpp b/include/XPath/impl/xpath_function.hpp
index d9074973..7c261d90 100644
--- a/include/XPath/impl/xpath_function.hpp
+++ b/include/XPath/impl/xpath_function.hpp
@@ -202,7 +202,7 @@ public:
   virtual double doEvaluate(const DOM::Node<string_type, string_adaptor>& context,
                             const ExecutionContext<string_type, string_adaptor>& executionContext) const
   {
-    return baseT::argAsNodeSet(0, context, executionContext).size();
+    return static_cast<double>(baseT::argAsNodeSet(0, context, executionContext).size());
   } // evaluate
 }; // class CountFn
 
@@ -480,7 +480,7 @@ protected:
     if(startAt < 0)
       startAt = 0;
     if((isInfinite(endAt)) || (endAt > string_adaptor::length(value)))
-      endAt = string_adaptor::length(value);
+      endAt = static_cast<double>(string_adaptor::length(value));
 
     return string_adaptor::substr(value, static_cast<int>(startAt), static_cast<int>(endAt - startAt));
   } // evaluate
@@ -498,7 +498,7 @@ public:
                                             const ExecutionContext<string_type, string_adaptor>& executionContext) const
   {
     string_type v = (baseT::argCount() > 0) ? baseT::argAsString(0, context, executionContext) : nodeStringValue<string_type, string_adaptor>(context);
-    return string_adaptor::length(v);
+    return static_cast<double>(string_adaptor::length(v));
   } // evaluate
 }; // StringLengthFn
 
diff --git a/include/io/socket_stream.hpp b/include/io/socket_stream.hpp
index 48bba0f8..83b8dd54 100644
--- a/include/io/socket_stream.hpp
+++ b/include/io/socket_stream.hpp
@@ -170,7 +170,7 @@ basic_socketbuf<charT, traitsT>* basic_socketbuf<charT, traitsT>::open(const cha
   sockAddr.sin_port = htons(port);
 
   // connect
-  int tmpsock = socket(AF_INET, SOCK_STREAM, 0);
+  int tmpsock = static_cast<int>(socket(AF_INET, SOCK_STREAM, 0));
   if(tmpsock == INVALID_SOCKET)
     return 0;
   if(connect(tmpsock, reinterpret_cast<sockaddr*>(&sockAddr), sizeof(sockaddr_in)) != 0)
@@ -267,7 +267,7 @@ bool basic_socketbuf<charT, traitsT>::writeSocket()
   if(!length)
     return true;
 
-  bool ok = (send(sock_, from_next, length, 0) != SOCKET_ERROR);
+  bool ok = (send(sock_, from_next, static_cast<int>(length), 0) != SOCKET_ERROR);
 
   if(ok)
     setp(from_next, from_next + outBuffer_.capacity());
@@ -289,13 +289,13 @@ int basic_socketbuf<charT, traitsT>::readSocket()
   if(!inBuffer_.capacity())
     growInBuffer();
 
-  size_t pbCount = std::min<int>(gptr() - eback(), pbSize_);
+  size_t pbCount = std::min<size_t>(gptr() - eback(), pbSize_);
 
   memcpy(&(inBuffer_[0]) + (pbSize_-pbCount)*sizeof(charT), 
          gptr() - pbCount*sizeof(charT),
          pbCount*sizeof(charT));
 
-  int res = recv(sock_, &(inBuffer_[0]) + pbSize_, inBuffer_.capacity() - pbSize_, 0);
+  int res = recv(sock_, &(inBuffer_[0]) + pbSize_, static_cast<int>(inBuffer_.capacity() - pbSize_), 0);
   if(res == 0)
   {
     // server closed the socket
diff --git a/src/convert/base64codecvt.cpp b/src/convert/base64codecvt.cpp
index b6775962..ea31d929 100644
--- a/src/convert/base64codecvt.cpp
+++ b/src/convert/base64codecvt.cpp
@@ -150,7 +150,7 @@ int base64codecvt::do_length(const std::mbstate_t&,
     chars -= 3;
   } // while(chars > max)
 
-  return length;
+  return static_cast<int>(length);
 } // do_length
 
 int base64codecvt::do_max_length() const throw()
diff --git a/src/convert/iso88591utf8codecvt.cpp b/src/convert/iso88591utf8codecvt.cpp
index edbd16c3..f243c193 100644
--- a/src/convert/iso88591utf8codecvt.cpp
+++ b/src/convert/iso88591utf8codecvt.cpp
@@ -55,7 +55,7 @@ int iso88591utf8codecvt::do_length(const std::mbstate_t&,
     ++from_next;
   } // while
 
-  return (from_next-from);
+  return static_cast<int>(from_next-from);
 } // do_length
 
 // end of file
diff --git a/src/convert/rot13codecvt.cpp b/src/convert/rot13codecvt.cpp
index 5d29821b..ac25658c 100644
--- a/src/convert/rot13codecvt.cpp
+++ b/src/convert/rot13codecvt.cpp
@@ -43,7 +43,7 @@ int rot13codecvt::do_length(const std::mbstate_t&,
                         const char* end,
                         size_t max) const
 {
-  return std::max<int>(end - from, max);
+  return std::max<int>(static_cast<int>(end - from), static_cast<int>(max));
 } // do_length
 
 // end of file
diff --git a/src/convert/ucs2utf8codecvt.cpp b/src/convert/ucs2utf8codecvt.cpp
index d4b17f52..9a28cca7 100644
--- a/src/convert/ucs2utf8codecvt.cpp
+++ b/src/convert/ucs2utf8codecvt.cpp
@@ -58,7 +58,7 @@ int ucs2utf8codecvt::do_length(const std::mbstate_t&,
     ++from_next;
   } // while
 
-  return (from_next-from);
+  return static_cast<int>(from_next-from);
 } // do_length
 
 // end of file
diff --git a/src/convert/utf16beucs2codecvt.cpp b/src/convert/utf16beucs2codecvt.cpp
index 27274904..a2f1fd61 100644
--- a/src/convert/utf16beucs2codecvt.cpp
+++ b/src/convert/utf16beucs2codecvt.cpp
@@ -47,7 +47,7 @@ int utf16beucs2codecvt::do_length(const std::mbstate_t&,
                                 const char* end,
                                 size_t max) const
 {
-  return std::max<int>((end-from), max/2);
+  return std::max<int>(static_cast<int>(end-from), static_cast<int>(max/2));
 } // do_length
 
 #endif
diff --git a/src/convert/utf16leucs2codecvt.cpp b/src/convert/utf16leucs2codecvt.cpp
index 36f54e8f..17abde79 100644
--- a/src/convert/utf16leucs2codecvt.cpp
+++ b/src/convert/utf16leucs2codecvt.cpp
@@ -47,7 +47,7 @@ int utf16leucs2codecvt::do_length(const std::mbstate_t&,
                                 const char* end,
                                 size_t max) const
 {
-  return std::max<int>((end-from), max/2);
+  return std::max<int>(static_cast<int>(end-from), static_cast<int>(max/2));
 } // do_length
 
 #endif
diff --git a/src/convert/utf16utf8codecvt.cpp b/src/convert/utf16utf8codecvt.cpp
index 3d1db319..690a5686 100644
--- a/src/convert/utf16utf8codecvt.cpp
+++ b/src/convert/utf16utf8codecvt.cpp
@@ -58,7 +58,7 @@ int utf16utf8codecvt::do_length(const std::mbstate_t&,
     ++from_next;
   } // while
 
-  return (from_next-from);
+  return static_cast<int>(from_next-from);
 } // do_length
 
 // end of file
diff --git a/src/convert/utf8iso88591codecvt.cpp b/src/convert/utf8iso88591codecvt.cpp
index 08c7ee95..0d2c0779 100644
--- a/src/convert/utf8iso88591codecvt.cpp
+++ b/src/convert/utf8iso88591codecvt.cpp
@@ -76,7 +76,7 @@ int utf8iso88591codecvt::do_length(const std::mbstate_t&,
     }
   } // while
 
-  return (from_next-from);
+  return static_cast<int>(from_next-from);
 } // do_length
 
 // end of file
diff --git a/src/convert/utf8ucs2codecvt.cpp b/src/convert/utf8ucs2codecvt.cpp
index b51a3d00..d7d89a0f 100644
--- a/src/convert/utf8ucs2codecvt.cpp
+++ b/src/convert/utf8ucs2codecvt.cpp
@@ -77,7 +77,7 @@ int utf8ucs2codecvt::do_length(const std::mbstate_t&,
     }
   } // while
 
-  return (from_next-from);
+  return static_cast<int>(from_next-from);
 } // do_length
 
 #endif