Box Fill 2 is a fast, easy way to create a schedule of box fill calculations for any size of job or just to perform a single calculation on the fly. Put your pencil down and start making professional, consistent calculations today. - Universal app allows use on both iPad, iPhone and Mac with a single purchase. - Create an unlimited list of calculations that automatically save. - Solve for any size box including custom sizes. - Share calculations via email or any instant messaging. - Print directly from the app. - Support for 2017 NEC and 2021 CEC. - Built in construction calculator allows custom or compound box sizes to be calculated and saved from within the app. - Supports iOS dark and light mode.