Banquet Room Capacity & Pricing Calculator
Calculate maximum guest capacity based on room size and seating layout, then estimate total event costs including venue rental, catering, and staffing.
Typical 15–25% for dance floor, stage, bar, buffet stations
Pricing Inputs
Must not exceed calculated capacity
Formulas Used
Gross Area: Length (ft) × Width (ft)
Usable Area: Gross Area × (1 − Circulation% / 100)
Maximum Capacity: floor(Usable Area ÷ Sq Ft per Person)
Venue Cost: Venue Rate ($/hr) × Hours
Catering Cost: Catering ($/person) × Guests
Staffing Cost: Staff Count × Staff Rate ($/hr) × Hours
Subtotal: Venue + Catering + Staffing + AV + Décor
Gratuity Amount: (Catering + Staffing) × Gratuity%
Tax Amount: (Subtotal + Gratuity) × Tax%
Grand Total: Subtotal + Gratuity + Tax
Cost per Guest: Grand Total ÷ Guest Count
Assumptions & References
- Banquet / Round Tables: 10–12 sq ft per person (midpoint 11 used); NFPA 101 Life Safety Code and industry standard for 60–72 in. round tables.
- Theater / Auditorium: 6–8 sq ft per person (7 used); chairs only, no tables — IAVM guidelines.
- Reception / Cocktail: 5–7 sq ft per person (6 used); standing/mingling with high-tops — Catersource industry standard.
- Classroom Style: 15 sq ft per person; rectangular tables with chairs on one side — Meeting Professionals International (MPI).
- Boardroom / Hollow Square / U-Shape: 25–30 sq ft per person; perimeter seating with open center — PCMA guidelines.
- Circulation deduction (default 20%) accounts for dance floors, stages, buffet/bar stations, ADA pathways, and emergency egress per NFPA 101.
- Gratuity is applied to catering and staffing costs only, consistent with standard hospitality industry practice (typically 18–22%).
- Sales tax applicability varies by jurisdiction; consult local tax authority for taxable vs. non-taxable event services.
- Capacity figures are estimates. Always verify against local fire marshal occupancy limits and ADA requirements.
- References: NFPA 101 (2021), IAVM Venue Management Handbook, MPI Meeting & Event Design Guide, Catersource Event Planning Standards.