How many bottles of champagne for a toast for 100 guests?
For a toast for 100 adult guests, with about 90% taking a 4 oz pour, plan on 16 bottles of champagne or sparkling wine (750 ml) with 10% extra — about 6.3 toasts per bottle.
How to work it out
- 100 adults × 90% = 90 drinkers × 1 glass = 90 glasses
- 750 ml ÷ 4 oz = 6.3 glasses per bottle → 90 glasses ÷ 6.3 + 10% = 16 bottles
The champagne toast is the one drink at a wedding nearly everyone takes, even the guests who otherwise skip alcohol. It is also the easiest to count: one pour each, poured smaller than a glass of wine.
Adjust for your project
More options: Drinkers · Extra
- In cases of 12
- 1 case + 4 bottles
- Glasses poured
- 90 glasses
- Glasses per bottle at this pour
- 6.3
- Or magnums (1.5 L)
- 8 magnums
- Pour toasts in the kitchen or at the tables just before the speeches, so glasses are not sitting warm and flat. Offer a sparkling non-alcoholic option for guests who do not drink.
Bottles by number of adult guests (as above)
| Adult guests (21+) | Bottles (750 ml) | In cases of 12 | Glasses poured |
|---|---|---|---|
| 20 | 4 bottles | 4 bottles (less than a case) | 18 glasses |
| 30 | 5 bottles | 5 bottles (less than a case) | 27 glasses |
| 50 | 8 bottles | 8 bottles (less than a case) | 45 glasses |
| 75 | 12 bottles | 1 case | 68 glasses |
| 100 | 16 bottles | 1 case + 4 bottles | 90 glasses |
| 150 | 24 bottles | 2 cases | 135 glasses |
| 200 | 32 bottles | 2 cases + 8 bottles | 180 glasses |
Sixteen bottles, give or take the pour
At a 4 oz toast pour, a 750 ml bottle fills about six flutes. With ninety of a hundred adults taking a glass, that is fifteen bottles, sixteen with 10% extra. The pour is the number to agree with the caterer or bartender: a 3 oz pour stretches to about eight per bottle, and a full 5 oz pour cuts it to five — the difference between twelve bottles and twenty.
| Toast pour | Toasts per bottle | Bottles for 90 toasts (+10%) |
|---|---|---|
| 3 oz | about 8½ | 12 |
| 4 oz | about 6⅓ | 16 |
| 5 oz | about 5 | 20 |
Running a smooth toast
- Pour just before the speeches, so the bubbles have not gone flat.
- Sparkling wine is fine. Prosecco, cava and other sparkling wines pour the same way as Champagne.
- A sparkling non-alcoholic option for children, drivers and non-drinkers — sparkling cider or juice in the same flutes.
- Chill well: a few hours in the fridge, or 30 minutes in a tub of ice and water.
Wine with dinner for the same crowd is a separate count — see how many bottles of wine for 50 guests and double it. Glasses per bottle: how many glasses of wine in a bottle. The beer: how many kegs for 100 guests.
Different size? Use the full Wine & Champagne Calculator.
What you’ll need
- Plastic champagne flutesBudget price
For the toast. Pour 3–4 oz rather than filling the flute and you get more toasts per bottle.
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Frequently asked questions
How many bottles of champagne for a toast for 50 guests?
About 8 bottles at a 4 oz pour with 10% extra.
How many bottles of champagne for a toast for 150 guests?
About 24 bottles at a 4 oz pour.
How many bottles of champagne for 100 guests at a 3 oz pour?
About 12 bottles with 10% extra.
Other common sizes
- How many bottles of wine for 50 guests — 17 bottles (750 ml)
- How many glasses of wine in a bottle — about 5 glasses of 5 oz (6 at 4 oz)
Sources
- NIAAA — What is a standard drink? (opens in a new tab) — One standard drink holds 0.6 fl oz (14 g) of pure alcohol: 12 fl oz of regular beer (about 5%), 5 fl oz of table wine (about 12%), or 1.5 fl oz of distilled spirits (about 40%).
- eCFR 27 CFR 4.72 — Standards of fill for wine (Cornell LII copy) (opens in a new tab) — Authorized wine container sizes include 750 mL, 1.5 L and 3 L.
- USDA/HHS — Dietary Guidelines for Americans, 2025–2030 (opens in a new tab) — “Limit Alcoholic Beverages”: consume less alcohol for better overall health; pregnant women, people recovering from alcohol use disorder or unable to control how much they drink, and people on interacting medications should avoid alcohol completely. No daily drink numbers are given.
- CDC — Moderate alcohol use (page dated January 14, 2025) (opens in a new tab) — Defines moderate drinking for adults of legal drinking age as two drinks or less in a day for men and one drink or less for women, citing the 2020–2025 Dietary Guidelines.
- NIAAA — Understanding the dangers of alcohol overdose (opens in a new tab) — Blood alcohol can keep rising after drinking stops; coffee, cold showers and walking do not reverse it; if you suspect an overdose, call 911 and do not leave the person alone.