How many glasses of wine in a bottle?
A standard 750 ml bottle holds about five 5 oz glasses of wine — 5 fl oz being NIAAA’s standard drink of wine. At a 4 oz pour it gives about six; a 1.5 L magnum about ten.
How to work it out
- 5 adults × 100% = 5 drinkers × 1 glass (1 + 1 × 0 more hours) = 5 glasses
- 750 ml ÷ 5 oz = 5.1 glasses per bottle → 5 glasses ÷ 5.1 + 0% = 1 bottle
The standard wine bottle is 750 ml — one of the sizes federal rules allow for wine — which is about 25.4 fl oz. How many glasses that makes depends entirely on how full you pour.
Adjust for your project
More options: Drinkers · Per hour · Extra
- In cases of 12
- 1 bottle (less than a case)
- Glasses poured
- 5 glasses
- Glasses per bottle at this pour
- 5.1
- Or magnums (1.5 L)
- 1 magnum
- Split red, white and sparkling by what your guests actually drink, and ask your store whether it takes back unopened bottles.
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) | 20 glasses |
| 30 | 6 bottles | 6 bottles (less than a case) | 30 glasses |
| 50 | 10 bottles | 10 bottles (less than a case) | 50 glasses |
| 75 | 15 bottles | 1 case + 3 bottles | 75 glasses |
| 100 | 20 bottles | 1 case + 8 bottles | 100 glasses |
| 150 | 30 bottles | 2 cases + 6 bottles | 150 glasses |
| 200 | 40 bottles | 3 cases + 4 bottles | 200 glasses |
Bottle sizes and glasses
| Bottle | Fluid ounces | Glasses at 5 oz | Glasses at 4 oz |
|---|---|---|---|
| 375 ml (half bottle) | 12.7 | 2½ | 3 |
| 750 ml (standard) | 25.4 | 5 | 6 |
| 1.5 L (magnum) | 50.7 | 10 | 12½ |
| 3 L (box or double magnum) | 101.4 | 20 | 25 |
NIAAA’s 5 oz figure is a measure of alcohol — about 12% wine — rather than a rule about glassware, and that is the catch: large wine glasses hold far more than 5 oz, and a generous pour into one can easily be 8 or 9 oz. That is nearly two standard drinks in one glass, and only three glasses to the bottle. For a party, small glasses or a marked pour line keep both the bottle count and the drinks predictable.
Champagne and sparkling wine
Sparkling wine comes in the same 750 ml bottle. For a toast, most hosts pour 3 to 4 oz into a flute — six to eight toasts per bottle — rather than a full glass. Wines stronger than about 12% contain more alcohol per glass, so the same pour is more than one standard drink.
- Dinner party of six: two bottles cover a glass and a half each with a little over.
- Book club of ten: three or four bottles for an evening.
- A case of twelve 750 ml bottles pours about sixty 5 oz glasses.
For a whole party, run how many bottles of wine for 50 guests or how many bottles of champagne for a toast for 100 guests.
Different size? Use the full Wine & Champagne Calculator.
What you’ll need
- Stemless plastic wine glassesBudget price
Shatterproof glasses for outdoor parties. Many hold 12 oz or more, so a generous pour is easy — keep pours near 5 oz.
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Frequently asked questions
How many glasses of wine in a magnum?
About 10 five-ounce glasses in a 1.5 L magnum.
How many 4 oz glasses in a bottle of wine?
About 6.3 at 4 oz from a 750 ml bottle.
How many glasses of wine in a case?
About 60 five-ounce glasses in twelve 750 ml bottles.
Other common sizes
- How many bottles of wine for 50 guests — 17 bottles (750 ml)
- How many bottles of champagne for a toast for 100 guests — 16 bottles (4 oz pours)
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.