Main compartment: 13-1/2" x 30" x 12" = 4,860 cubic inches (79.64 L)End pockets (x2): = 10" x 12" x 2-1/2 = 300 cubic inchesSide Pockets (x3): 10" x 8-1/4" x 2" = 165 cubic inchesExternal compartments: 1,095 cubic inches Total: 5,955 cubic inches (97.67 L)External compartments: 1,095 cubic inches Total: 5,955 cubic inches (97.67 L)