diff --git a/sources/reactphysics3d/mathematics/Vector.cpp b/sources/reactphysics3d/mathematics/Vector.cpp
index 4af1a3e6..5561b31c 100644
--- a/sources/reactphysics3d/mathematics/Vector.cpp
+++ b/sources/reactphysics3d/mathematics/Vector.cpp
@@ -60,6 +60,16 @@ Vector::Vector(const Vector& vector) {
     }
 }
 
+// Conversion from Vector3D to Vector
+Vector::Vector(const Vector3D& vector3d) {
+    nbComponent = 3;
+    tab = new double[3];
+
+    tab[0] = vector3d.getX();
+    tab[1] = vector3d.getY();
+    tab[2] = vector3d.getZ();
+}
+
 // Destructor of the class Vector
 Vector::~Vector() {
     // Erase the array with the values of the vector
diff --git a/sources/reactphysics3d/mathematics/Vector.h b/sources/reactphysics3d/mathematics/Vector.h
index 90c9a130..5875e233 100644
--- a/sources/reactphysics3d/mathematics/Vector.h
+++ b/sources/reactphysics3d/mathematics/Vector.h
@@ -21,6 +21,7 @@
 #define VECTOR_H
 
 // Libraries
+#include "Vector3D.h"
 #include "../typeDefinitions.h"
 #include "mathematics_functions.h"
 #include "exceptions.h"
@@ -46,6 +47,7 @@ class Vector {
         Vector();                                                                                   // Constructor without argument
         Vector(int n) throw(std::invalid_argument);                                                 // Constructor of the class Vector
         Vector(const Vector& vector);                                                               // Copy-constructor of the class Vector 
+        Vector(const Vector3D& vector3d);                                                           // Conversion from Vector3D to Vector
         virtual ~Vector();                                                                          // Destructor of the class Vector
         double getValue(int n) const throw(std::invalid_argument);                                  // Get a component of the vector
         void setValue(int n, double value) throw(std::invalid_argument);                            // Set the value of a component of the vector