Commercial Kitchen Layout Calculator

Kitchen size is driven mainly by service style, and this calculator starts from a base square-footage-per-seat figure that varies from 4.0 for hotel banquet service up to 8.5 for fine dining, reflecting how much prep, plating, and equipment each service model demands per guest. That base is then adjusted by menu complexity — a simple, limited menu shrinks the footprint by 15%, while a complex menu with many stations inflates it by 20% — and by whether there's an on-site bakery, which adds a further 12% for dedicated baking equipment and workspace. Multiplying the adjusted per-seat figure by your seat count gives total kitchen square footage, which is then split into fixed zone percentages drawn from restaurant planning references: 30% cooking line, 18% prep, 10% dishwashing, 12% dry storage, 10% cold storage, 4% receiving, 6% office/staff, with whatever remains allocated to aisles and circulation.

A separate per-seat dining-area estimate (ranging from 12 sq ft for banquet to 20 sq ft for fine dining) is added to the kitchen total to produce an overall building footprint, and the kitchen's share of that total is reported as a sanity-check percentage — real-world full-service restaurants typically land in the 25-35% range. Because the zone percentages are fixed ratios of whatever total you calculate, they scale automatically with seat count; they aren't recalculated from equipment counts or throughput, so a kitchen serving an unusually equipment-heavy menu within one of these zone percentages may still need custom adjustment beyond what a percentage split can capture.