Are the defaults accurate for my country?

Defaults give an anchor only for food per guest. The rest is your input. Prices vary widely by city and venue.

What contingency should I use?

10–15% is common to cover surprises. Adjust in advanced mode.

Enter your available budget and we'll show the gap. Above 110% of available is high-risk.

Only if you include them in the value you enter. Ask the venue for a fully inclusive quote.

No. Everything runs locally in your browser with no retention.

Estimate total budget, cost per guest, and biggest cost drivers.

Decision calculatorGeneral editable assumptionsGlobal-readyInteractive chart

Last updated: 2026-05-16

This calculator uses generic assumptions. Use advanced mode to override them for a more accurate result.

Source: default

Total = Σ Categories + Contingency

Are the defaults accurate for my country?: Defaults give an anchor only for food per guest. The rest is your input. Prices vary widely by city and venue.
What contingency should I use?: 10–15% is common to cover surprises. Adjust in advanced mode.
How do I know if my budget is realistic?: Enter your available budget and we'll show the gap. Above 110% of available is high-risk.
Does the calculation include venue tax/service fees?: Only if you include them in the value you enter. Ask the venue for a fully inclusive quote.
Do you store budget data?: No. Everything runs locally in your browser with no retention.

Results are estimates and not professional advice. Verify important decisions with a qualified professional.