The invention relates to a weighing device for a container. The weighing device comprises a weighing platform, an overturning platform and an instrument, wherein the weighing platform comprises a weighing body, an underframe, at least four digital weighing sensors and a limiting device, the four digital weighing sensors are installed on the weighing body and connected with the underframe, or the four digital weighing sensors are installed on the underframe and contacted with the weighing body, and the weighing sensors are connected with the instrument through cables; the limiting device comprises at least two anti-rotation mechanisms, at least two anti-tilting mechanisms and at least two horizontal limiting mechanisms, wherein the anti-rotation mechanisms are obliquely arranged between the weighing body and the underframe, and the anti-tilting mechanisms are vertically installed between the underframe and the weighing body; and the overturning platform comprises a fixed platform and a tilting rotation framework as well as a telescopic actuation member, the fixed platform is hinged with the tilting rotation framework, and the fixed platform is installed on the weighing body. The weighing device for the container has the characteristics that the weight of the container can be controlled in proper time and proper place, the loading and transportation efficiency of the container can be improved, and the weighing device is convenient to carry.