How long does it take to recover from a calf strain injury?

Warriors fans are wondering how long it will take for Kevin Durant to recover from a right calf strain after limping off the floor in the third quarter of game 5 of the NBA Western Conference semifinals. After initial concerns it was an achillies injury, the Warriors confirmed the diagnosed was a calf strain. He will receive a MRI on Thursday morning to discover the severity of the strain. How long does it take to recover from a calf strain? It depends on how bad the injury is.