Calibraska is an extended play (EP) by the American pop-rap duo Jack & Jack.

Their debut EP was independently released via the Philip J. Kaplan digital music distributor DistroKid on July 24, 2015.

The title is a portmanteau of the U.S. states Nebraska, where the duo originate, and California, where they are now based.

Within hours of its release, Calibraska charted at number 1 on the U.S. iTunes albums chart ahead of DS2 by Future and 1989 by Taylor Swift.

This 2010s hip-hop album-related article is a stub.