Its a 1.8° stepper, so 200 steps per revolution at full stepping.
Now you need to multiply that by your current micro stepping
eg if your running at 1/8 micro stepping its 8 * 200
if its 1/256 micro stepping then its 256 * 200
etc...
Now you need to multiply that by your current micro stepping
eg if your running at 1/8 micro stepping its 8 * 200
if its 1/256 micro stepping then its 256 * 200
etc...