diff --git a/owlps-positioning/src/configuration.cc b/owlps-positioning/src/configuration.cc
index 6f33334..67ad563 100644
--- a/owlps-positioning/src/configuration.cc
+++ b/owlps-positioning/src/configuration.cc
@@ -41,6 +41,12 @@ int Configuration::int_value(const string &key)
 }
 
 
+float Configuration::float_value(const string &key)
+{
+  return configuration[key].as<float>() ;
+}
+
+
 bool Configuration::bool_value(const string &key)
 {
   return configuration[key].as<bool>() ;
diff --git a/owlps-positioning/src/configuration.hh b/owlps-positioning/src/configuration.hh
index 7f089b2..948618b 100644
--- a/owlps-positioning/src/configuration.hh
+++ b/owlps-positioning/src/configuration.hh
@@ -21,6 +21,8 @@ public:
   static const std::string& string_value(const std::string &key) ;
   /// Returns the int value corresponding to \em key
   static int int_value(const std::string &key) ;
+  /// Returns the float value corresponding to \em key
+  static float float_value(const std::string &key) ;
   /// Returns the bool value corresponding to \em key
   static bool bool_value(const std::string &key) ;
   /// Checks if a given string value exists in \em key