diff --git a/app/include/Tortue.h b/app/include/Tortue.h
index 8e533e1..6c9cdb3 100644
--- a/app/include/Tortue.h
+++ b/app/include/Tortue.h
@@ -18,6 +18,7 @@ public:
     const std::string &getNom() const;
 
     int getNaissance() const;
+    int getAge() const;
 
     const std::string &getSexe() const;
 };
diff --git a/app/src/Tortue.cpp b/app/src/Tortue.cpp
index 9b23e07..b3dd19b 100644
--- a/app/src/Tortue.cpp
+++ b/app/src/Tortue.cpp
@@ -22,4 +22,12 @@ Tortue::Tortue(const string &nom, const string &sexe) : nom(nom), sexe(sexe) {
     naissance = std::time(nullptr);
 }
 
+int Tortue::getAge() const {
+    int ageSec = std::time(nullptr) - naissance;
+    int ageHour = ageSec/(60*60);
+    int ageDay = ageHour/24;
+    int age = ageDay / 365.25;
+    return age;
+}
+