Each space should be measured accurately for the best results, with the dimensions entered in decimal feet.  See the conversion chart for converting inches into their decimal feet equivalent.  The calculations are based on the 2020 Minnesota State Fire Code provisions for use and occupancy, and the occupancy load calculations.  The 2020 Minnesota State Fire Code may be viewed for free in its entirety here

Any questions about this calculator or the use of your space may be sent to codereview@mnspect.com.