How to use this calculator
Enter expected guest count, catering cost per guest, fixed venue and vendor costs, and a contingency percentage. The calculator estimates both the planned cost and the safer budget including a buffer.
#1303 · Lifestyle Tool
Wedding Budget Calculator
Plan a wedding budget by combining guest count, catering, venue, photography, attire, decor, and contingency. See total cost, cost per guest, and budget risk.
Calculator
Wedding cost planguests
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What the result means
The main result is the recommended wedding budget after contingency. Cost per guest helps identify whether the guest list is driving the budget too high.
Final wedding budget = (Guests × Catering per guest + Fixed costs) × (1 + Contingency %)
Contingency is important because service fees, taxes, gratuities, overtime, and last-minute rentals can change the final invoice.
Example calculation
With 120 guests, $85 catering per guest, $9,000 fixed costs, and 10% contingency, the recommended budget is $21,120.
Tips for better results
- Reduce guest count before cutting essential services.
- Separate must-have costs from optional decor upgrades.
- Keep at least 5% to 15% for unexpected expenses.
FAQ
How much does a wedding cost for 100 guests?
Multiply 100 by your catering cost per guest, add venue and vendor costs, then add a contingency buffer.
How many guests fit a 20000 dollar wedding budget?
Divide your available budget by expected cost per guest after fixed venue and vendor costs are subtracted.
Should I budget 10 percent for unexpected wedding expenses?
A 10% contingency is a practical starting point because taxes, service fees, overtime, and rentals can increase final costs.
What is usually the biggest wedding expense?
Guest-related costs such as catering and venue capacity are often the biggest drivers of the total wedding budget.
How can I reduce wedding costs without changing the venue?
Reduce guest count, simplify catering, shorten bar service, limit decor upgrades, and compare vendor packages.
Related calculators
Decision module
| Module | Purpose |
|---|---|
| Main driver | Guest count and catering |
| Best for | Wedding planning and vendor budgeting |
| Risk lever | Contingency buffer |
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