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150-Guest Wedding Seating Chart Template: 18 Round Tables + Sweetheart Table (2026)
Size your 150-guest room, table count, and 24″×36″ welcome sign below, then open the interactive floorplan free.
INTERACTIVE TENT, ROOM & SIGNAGE CALCULATOR
Calculate Your Exact Table Count, Tent Size & 24″×36″ Sign Spec
1-Tap Guest Count:
MINIMUM TENT / ROOM
50' × 50' (2,250 sq ft)
TABLES NEEDED
1 Sweetheart + 19 Tables
24″×36″ SIGN FORMAT
4-Column (18pt Serif
AVERY 5302 + DANCE FLOOR
15 Sheets · 27'
Family Conflict Auto-Solver & Dietary MatrixLIVE ACTIVE PREVIEW
Zero Ex-Spouse / Tablemate DramaTable 1 Clockwise Meal Sample:Filet Mignon (4)•Atlantic Salmon (4)•Wild Mushroom Risotto (1)•Celiac Alert (Seat #1)
Avery 5302 Tented Card · Table 1UNMASKED Sample
Maya Lin
Clockwise Seat #1 (12:00)•Filet Mignon
Celiac / Strict Allergy Flagged
24″×36″ Welcome Sign · 1.4s Lookup Sample20PT SERIF
Lin, Maya ................................. Table 1 (Seat #1)
Lin, Robert (Father) ................ Table 4 (Quiet Zone • Ex-Spouse Buffer)
Vance, Liam ................................ Table 1 (Seat #2)
Lin, Robert (Father) ................ Table 4 (Quiet Zone • Ex-Spouse Buffer)
Vance, Liam ................................ Table 1 (Seat #2)
0 Family Conflicts · 54″ Server Aisle Verified
Table 1 Unmasked Free • Enter email below to unlock Tables 2–20 Caterer Meal Sheet ($0)All-Tables 24″×36″ Sign & Avery Sheets in $7 Event Pack
30-Day Money-Back Guarantee: Full refund if your caterer or print shop has any issueFedEx Office & Staples 24″×36″ Ready (0.125″ Bleed)
Architectural Room Layout (150 Guests · 50' × 50' · Sweetheart + 19×8-Top Rounds · Ballroom Wings)
20 Tables · 54″+ Server AislesROOM / TENT SIZE
50' × 50' (~2,250 sq ft)
TABLE COUNT
20 Tables (19R / 1B)
DANCE FLOOR
27' × 27' (729 sq ft)
SERVER AISLES
54" Chair-to-Chair + 60" Caterer Lane
24″×36″ SIGN SPEC
4-Column (18pt Serif · 1.8s Lookup)
AVERY 5302 CARDS
15 Sheets (150 Cards)
| Option | Table Layout | Architectural Spec | Included Print & Caterer Files |
|---|---|---|---|
| Option 1 (Free Sample) | 150 Guests (18×8-Top Rounds) | 50' × 50' (2,250 sq ft) | 20 Tables · 54" Chair-to-Chair + 60" Caterer Lane |
| Option 2 | Sweetheart + 18 Rounds | Dance Floor: 27' × 27' (729 sq ft) | |
| Option 3 | 15×10-Top Rounds | 15 Avery 5302 Card Sheets | |
| Option 4 | Tuscan Hybrid Mix | Acoustic & Sightline Zones |
Open This 150-Guest Layout in the Studio
Test table arrangements, customize guest seating, and generate print-ready PDFs free.
Common Questions About This Layout
What room or tent size do I need for 18×8-Top Rounds (150 guests)?▾
A 150-guest reception using 18×8-Top Rounds requires approximately 2,250 sq ft (50' × 50') to fit 20 tables (Sweetheart + 19×8-Top Rounds · Ballroom Wings), a 27' × 27' (729 sq ft) dance floor, and 54" Chair-to-Chair + 60" Caterer Lane.
How many tables and Avery 5302 place card sheets does this 150-guest layout use?▾
The 18×8-Top Rounds (Ballroom & Estate Receptions) blueprint uses 20 total tables (1 Sweetheart Table plus 19 guest tables: 19 rounds and 0 banquet tables) and prints onto 15 sheets of 10-up Avery 5302 tented place cards.
What is the best 24"×36" welcome sign layout for 18×8-Top Rounds (150 guests)?▾
For 18×8-Top Rounds (150 guests in 50' × 50'), SeatHarmony formats your 24"×36" Arch D welcome sign in a 4-Column (18pt Serif · 1.8s Lookup) layout with a blended top reception table map and 0.125" FedEx/Staples print bleed.
