A washing machine comprises a main body, a tub provided within the main body and a balance weight mounted on the tub so as to reduce vibration of the tub. The balance weight includes a first weight member, a second and third weight members connected to both sides of the first weight member, respectively. A washing machine comprises a main body, a tub provided within the main body and a balance weight mounted at a position above a front surface opening of the tub. The balance weight includes a first weight member, a second and a third weight members connected to both sides of the first weight member. The first weight member is formed of metal and the second weight member and the third weight member are formed of concrete.