300-Person Wedding Cost Calculator (2026)
How much does a 300-person wedding cost? Get a complete cost breakdown by vendor category, state, and service style using 2026 national average pricing.
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Step 1 · Your Estimate
$70,125 – $94,875Estimated Total Cost
$235 per guest · plus $12,000 fixed costs
Regional benchmarks, last reviewed September 2026. Actual costs vary by city and venue. How we calculate this
Overrides the default estimate. Tip: add ~$30 to your caterer's plate price for rentals, favors, and stationery.
Step 2 · Your Budget
$82,500 across the categories couples actually spend on, the same ones your account uses. Change any number and the total updates.
Starting from the midpoint of your estimate above. Type your own to take it over.
Set aside for surprises
Alterations, vendor meals, overtime, the marriage license, gratuities where they are not already in the contract. None of it is a category, all of it is real. Taken out of your total, not added to it.
Where Your Money Goes
$82,500
Your budget above, by category. Every bar is shaded twice: the part that holds steady, then the part that moves when your guest list moves.
$12,000 holds steady
The same at 40 guests or 240
$70,500 moves with your guest list
About $235 for every name you add
Who's paying
Add what each side has committed.
Confirmed
$0
Expected
$0
Still to find
$82,500
Targets are the easy half
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$82,500
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Planning for 300 guests? See how many will actually show up.
Our RSVP drop-off calculator predicts attendance by wedding type, day, and season
Know your headcount? Plan exactly how much alcohol to buy.
Calculate wine, beer, and spirits for your guest count
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Right now it only lives in this browser tab. Saving it free moves every category target into your account, where it keeps up with your guest list and your partner can see it too.
Save my budget freePlanning a 300 Person Wedding
A 300 person wedding is among the largest formal events most US couples host. Fixed costs average $12,000 and variable expenses total $70,500 at $235 per head, for a total range of $70,125 to $94,875. At this scale, caterer volume pricing begins to produce noticeably better per-head rates than smaller events, but venue size requirements, staffing, and logistical complexity rise proportionally. Managing 130 to 150 households worth of RSVP responses, mailing addresses, and food preferences without a dedicated system becomes nearly unmanageable.
300 guests means 130 to 150 households to coordinate. iDoTogether was built for events like this. Personal links collect every guest's data automatically. Free for up to 50 guests.
Frequently Asked Questions
A standard Saturday summer wedding for 300 guests averages around $82,500, ranging from $70,125 to $94,875. This is a major event and one of the largest wedding scales most couples plan.
Hotel grand ballrooms, dedicated event centers, and large banquet halls are the most common venues for 300 person events. Many areas have limited options at this capacity, making early booking (18 to 24 months) essential.
300 guests is uncommon in the US but not unusual for South Asian, Greek, Italian, Mexican, and other cultural wedding traditions that prioritize large family gatherings. The planning complexity is significantly higher than for 100 to 150 person events.
Catering and bar service for 300 guests typically runs $25,000 to $45,000 for full service with open bar. This is the largest single expense for most 300 person events. Buffet and cocktail reception formats reduce this by 15 to 25 percent.
For 300 guests, plan to send 130 to 150 invitation suites. Mid-range printed invitation suites with postage run $900 to $2,000 at this volume. Many couples order 10 to 15 extra suites for keepsakes and late additions.
These figures are regional benchmarks, not quotes. See where the numbers come from
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