Meeting Room Floor: Space Calculator Metric Converter Back to Top Convert to Metric Maximum number of people per seating style Mallard A 432 18.00' x 24.00' 9 18 40 32 n/a 16 14 n/a Mallard A & B 864 18.00' x 48.00' 9 40 80 50 n/a 28 20 n/a Mallard B 432 18.00' x 24.00' 9 18 40 32 n/a 16 14 n/a Merganser 504 18.00' x 28.00' 9 16 40 32 n/a 14 14 n/a