About Event Planning Calculator

Calculate event timelines, tasks, and budget allocations. Part of the DevTools Surf developer suite. Browse more tools in the Event Planning collection.

Use Cases

• Budget a corporate conference from venue to catering to AV
• Estimate event costs per attendee for pricing a paid conference
• Create a master timeline for a multi-day event
• Compare in-person vs virtual vs hybrid event cost structures

Tips

• Enter the guest count first — most other estimates (catering, seating, budget) scale from this number
• Use the per-person cost mode to input unit costs for each category and see the total budget scale as you adjust guest count
• The timeline module generates a backward-planning schedule from your event date — review which tasks you are already past deadline for

Fun Facts

• The average cost of a corporate event in the US is $1,000-$2,000 per attendee for full-day conferences with catering. Virtual events cost 60-70% less per attendee, driving the hybrid event model's post-pandemic growth.
• Event planning consistently ranks among the top 5 most stressful jobs in annual surveys by CareerCast and CNBC, alongside surgeon, firefighter, and airline pilot. The combination of public visibility, fixed deadlines, and uncontrollable variables creates a unique stress profile.
• The global MICE (Meetings, Incentives, Conferences, Exhibitions) industry generates approximately $1 trillion in economic output annually. Before the COVID-19 pandemic, the industry employed 26 million people worldwide; by 2023, it had largely recovered to pre-pandemic levels.

FAQ

What are the biggest cost categories in event planning?

Venue rental: 20-35% of budget. Catering: 25-35%. AV and production: 10-20%. Entertainment: 5-15%. Marketing and design: 5-10%. Staffing: 5-10%. These ratios vary significantly by event type — galas spend more on entertainment; tech conferences more on AV.

How do I get attendees to actually RSVP?

Set an RSVP deadline 2-3 weeks before, not 1 month. Send personal follow-ups (not mass email) for high-value attendees. Use RSVP tools (Eventbrite, Luma) that send automatic reminders. For corporate events, get manager commitment first — team-level RSVPs follow.

What contingency percentage should I budget?

10-15% for well-planned events, 20% for events with significant unknowns (outdoor, new venue, new city). Specific contingencies to plan for: 10-15% food overage, A/V backup equipment, weather contingency for outdoor events, and a petty cash float for day-of supplies.