Converting OVA to QCOW2 for use with QEMU/KVM

Converting OVA to QCOW2 for use with QEMU/KVM

Extract the .ova file
 $ tar -xvf file.ova

Convert the .vmdk to .qcow2

$ qemu-img convert -O qcow2 file.vmdk file.qcow2

Reference:
http://edoceo.com/notabene/ova-to-vmdk-to-qcow2