How do you build a conference budget?

Two kinds of cost

Every cost line is either fixed — the same whether 100 or 600 people come — or per attendee. The split matters more than the categories, because it is what the break-even calculation runs on.

Read the venue contract carefully: catering minimums and attrition clauses turn a per-attendee cost into a fixed one below a certain number. Model it as fixed up to that number.

Every revenue line, net of fees

• Ticket tiers — each tier's price times the number you expect to sell at it, not the total headcount times the standard price.
• Sponsorship and exhibitors — confirmed separately from hoped-for. Budget on confirmed, show the rest as upside.
• Add-ons — workshops, dinners, merchandise sold alongside the ticket.
• Less payment processing — a percentage plus a fixed amount per payment, charged by your card processor. Group orders pay the fixed part once.
• Less any platform fee — the percentage a ticketing platform takes per ticket, if yours charges one. It is easy to leave out because it never arrives as an invoice.

Break-even attendance

Work it out twice — on tickets alone, and with the sponsorship you have actually signed. The first tells you how exposed you are if sponsors pull out; the second is the number your registration campaign has to beat. If net per ticket is below cost per attendee, no attendance saves the event: the price is wrong.

Contingency you can defend

A contingency line exists to absorb the costs you know will move — exchange rates, last-minute AV, a speaker who needs a flight rebooked — not to hide a budget that does not balance. Choose the percentage from your own history, write down what it is meant to cover, and apply it to costs, not revenue. Spending it should need a decision, not just an invoice.

Cash flow: when, not just how much

A budget that balances can still run out of money. Venue deposits, speaker flights and print are paid months before most ticket revenue arrives.

Money out early

Venue deposit and staged payments, speaker travel, design and print, software subscriptions.

Money in early

Early-bird tickets and signed sponsorship. This is what early-bird pricing is really for.

Money in late

Standard and late tickets, on-site sales, exhibitor balances.

When ticket money arrives

If payments go into your own payment account, payouts follow your processor's schedule. If a platform collects on your behalf, ask when it pays out — some hold funds until after the event.

Line the dates up. Where money goes out before enough comes in, you need the gap covered — by timing the early-bird deadline, by negotiating the deposit schedule, or by knowing in advance where the money will come from.

Track actuals while you can still act

Enter each invoice against its budget line as it arrives, not after the event. The variance column is useful only while there is time to change something: a catering overrun found in week two can be offset; found at settlement, it is just a loss. Pair it with the registration curve — if attendance is tracking below plan by the early-bird close, the budget needs a decision then, not on the day.

Free template

The Conference budget template (Excel) at bagevent.io/templates/conference-budget-template.xlsx has inputs for attendance, processing fees and contingency; cost lines marked fixed or per attendee; ticket tiers, sponsorship, exhibitor and add-on revenue; the surplus or deficit; break-even attendance with and without other revenue; and an Actual column with variance. Blue cells are inputs, black cells are formulas, and every example value is there to show the format, not as a benchmark.