Here’s a handy chart to help you plan the right number of tables and chairs for your event:

15 x 30= 4-5 tables, 45 chairs
16 x 16= 4 tables, 26 chairs
20 x 20= 6 tables, 40 chairs
20 x 30= 8 tables, 60 chairs
20 x 40= 10 tables, 80 chairs
30 x 30= 12 tables, 90 chairs
30 x 45= 17 tables, 140 chairs
30 x 60= 22 tables, 180 chairs
30 x 75= 26 tables, 220 chairs
30 x 90= 30 tables, 260 chairs
30 x 105= 34 tables, 300 chairs
40 x 40= 20 tables, 160 chairs
40 x 60= 30 tables, 240 chairs
40 x 80= 40 tables, 320 chairs
40 x 100= 50 tables, 400 chairs
40 x 120= 60 tables, 480 chairs
(Based on seating 10 to each table and other tables being used for food, gifts or displays.)