A device for storing at least one bulk material, said device comprising: - a container (10, 33) into which said bulk material selected from the group formed by liquids and powdered materials can be introduced, said container (10, 33) having a lower face forming a bottom adapted to be able to be subjected to the weight of said bulk material introduced into said container, - a support (16, 36), separate from the container (10, 33) and from the bottom of the container (10, 33), having an upper face receiving the bottom of said container (10, 33), - a force measuring device comprising at least one force sensor located outside said container (10, 33), disposed under the lower face forming the bottom of the container (10, 30) and in contact with said lower face forming the bottom, wherein the storage device is arranged so that the lower face forming the bottom of the container (10, 33) rests both on the force measuring device and on the support (16, 36), such that: - the container (10, 33) rests only partly on the force measuring device, - at least part of the bottom of the container is supported in direct contact with the upper face receiving the support (16, 36), - said upper face receiving the support (16, 36) is adapted to be able to be subjected at least partly to the weight of said bulk material introduced into said container, and - said force measuring device is not subjected to the total weight of the bulk material introduced into said container, said storage device thus making it possible to determine the filling rate of said container (10, 33) and/or its variation without having to go through a measurement of the total weight of the bulk material contained in said container (10, 33). - a container (10, 33) into which said bulk material selected from the group formed by liquids and powdered materials can be introduced, said container (10, 33) having a lower face forming a bottom adapted to be able to be subjected to the weight of said bulk material introduced into said container, - a support (16, 36), separate from the container (10, 33) and from the bottom of the container (10, 33), having an upper face receiving the bottom of said container (10, 33), - a force measuring device comprising at least one force sensor located outside said container (10, 33), disposed under the lower face forming the bottom of the container (10, 30) and in contact with said lower face forming the bottom, wherein the storage device is arranged so that the lower face forming the bottom of the container (10, 33) rests both on the force measuring device and on the support (16, 36), such that: - the container (10, 33) rests only partly on the force measuring device, - at least part of the bottom of the container is supported in direct contact with the upper face receiving the support (16, 36), - said upper face receiving the support (16, 36) is adapted to be able to be subjected at least partly to the weight of said bulk material introduced into said container, and - said force measuring device is not subjected to the total weight of the bulk material introduced into said container, - the container (10, 33) rests only partly on the force measuring device, - at least part of the bottom of the container is supported in direct contact with the upper face receiving the support (16, 36), - said upper face receiving the support (16, 36) is adapted to be able to be subjected at least partly to the weight of said bulk material introduced into said container, and - said force measuring device is not subjected to the total weight of the bulk material introduced into said container, said storage device thus making it possible to determine the filling rate of said container (10, 33) and/or its variation without having to go through a measurement of the total weight of the bulk material contained in said container (10, 33).