This article proposes an energy efficient clustering routing (EECR) algorithm for wireless sensor network. The algorithm can divide a sensor network into a few clusters and select a cluster head base on weight value that leads to more uniform energy dissipation evenly among all sensor nodes. Simulations and results show that the algorithm can save overall energy consumption and extend the lifetime of the wireless sensor network. The algorithm can divide a sensor network into a few clusters and select a cluster head base on weight value that leads to more uniform energy dissipation balanced among all sensor nodes. Simulations and results show that the algorithm can save overall energy consumption and extend the lifetime of the wireless sensor network.