The 24 oz Personal Blender BPA-Free Extra Large Cup fill-level is up to 16 oz, but the full-capacity of the cup is 24 oz.The 16 oz Personal Blender BPA-Free Blending Cup fill-level is up to 10 oz, but the full-capacity of the cup is 16 oz.The 8 oz Personal Blender BPA-Free Grinding Cup fill-level is up to 6 oz, but the full-capacity of the cup is 8 oz.Refer to the Personal Blender II (Personal Blender 2) PB-410 / PB-420 / PB-430 user manual for more information.