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We characterize the entanglement contained in a pure three-qubit state viaoperational entanglement measures. To this end we derive a new decompositionfor arbitrary 3-qubit states which is characterized by five parameters (up tolocal unitary operations). We show that these parameters are uniquelydetermined by bipartite entanglement measures. These quantities measure on theone hand the entanglement required to generate the state and on the other handthe entanglement contained in the state and have a clear physical meaning.Moreover, we show that the classification of states obtained in this way isstrongly related to the one obtained when considering general local operationsand classical communication.

Complete set of operational measures for the characterization of 3-qubit entanglement