| Size | US drinks | UK units | Irish | Australian | Canadian |
|---|---|---|---|---|---|
| 125 ml small glass | 0.8 | 1.4 | 1.1 | 1.1 | 0.8 |
| 175 ml standard glass | 1.1 | 1.9 | 1.5 | 1.5 | 1.1 |
| 200 ml mini bottle | 1.2 | 2.2 | 1.8 | 1.8 | 1.3 |
| 750 ml bottle | 4.6 | 8.3 | 6.6 | 6.6 | 4.8 |
US drinks: US standard drinks (0.6 fl oz of pure alcohol). UK units: 10 ml of pure alcohol. Irish: standard drinks of 10 g. Australian: standard drinks of 10 g. Canadian: standard drinks of 341 ml of 5% beer.
750 ml bottle of prosecco at other strengths
Find the % vol or ABV on your label. The numbers are our arithmetic, not typical strengths.
| Strength | US drinks | UK units | Irish | Australian | Canadian |
|---|---|---|---|---|---|
| 10% | 4.2 | 7.5 | 6.0 | 6.0 | 4.4 |
| 10.5% | 4.4 | 7.9 | 6.3 | 6.3 | 4.6 |
| 11% | 4.6 | 8.3 | 6.6 | 6.6 | 4.8 |
| 11.5% | 4.9 | 8.6 | 6.9 | 6.9 | 5.1 |
| 12% | 5.1 | 9.0 | 7.2 | 7.2 | 5.3 |
Prosecco by the glass
At 11%, a 125 ml glass of prosecco is 1.4 UK units and a 175 ml glass is 1.9. In US terms, a 5 fl oz glass at 11% is 0.9 standard drinks: slightly under one, because NIAAA's one-drink glass of wine is 5 fl oz at 12%.
A 200 ml mini bottle of prosecco
A 200 ml bottle at 11% holds 2.2 UK units, 1.2 US standard drinks and 1.8 Irish standard drinks. Four of them hold a little more than one 750 ml bottle.
Lower-strength prosecco
Each percentage point of strength adds 7.5 ml of pure alcohol to a 750 ml bottle, which is 0.75 UK units. So a bottle at 10.5% holds 7.9 units and one at 11.5% holds 8.6.
Work it out for your prosecco
The calculator opens on the 750 ml bottle at 11%. Change the size or strength to match yours.
A typical strength is filled in. Check your label.
That is
4.6 US standard drinks
= 8.3 UK units
= 6.6 Irish standard drinks
= 6.6 Australian standard drinks
= 4.8 Canadian standard drinks
Each one is 4.6 × one US standard drink:
Common questions
How many glasses of prosecco are in a bottle?
A 750 ml bottle fills six 125 ml glasses or about four 175 ml glasses. At 11%, each 125 ml glass is 1.4 units and the whole bottle is 8.3 units.
How many units are in a bottle of prosecco at 11%?
8.3 UK units, by the NHS formula: 11 × 750 ÷ 1,000. At 10.5% it is 7.9 units and at 12% it is 9.0.
How many standard drinks are in a glass of prosecco?
A 5 fl oz (148 ml) glass of 11% prosecco is 0.9 US standard drinks. A 125 ml glass at 11% is 1.1 Irish standard drinks and 1.4 UK units.
When to get help
This site offers self-help tools and information, not medical advice. Talk to a doctor, or call one of the lines below, if:
- you feel shaky, sweaty, sick or anxious when you haven't had a drink;
- you find it hard to stop once you start, or you want to cut down and can't;
- drinking is causing problems with your health, work or the people close to you.
Before you stop: It can be very dangerous to stop drinking suddenly if you are dependent on alcohol. If you get withdrawal symptoms, get medical help before you try to stop drinking.
Free, confidential helplines
- United States:SAMHSA National Helpline1-800-662-HELP (4357)Treatment referral and information, 24/7.
- United States:988 Suicide & Crisis LifelineCall or text 988Free and confidential support for people in distress, 24/7.
- United Kingdom:Drinkline0300 123 1110The national alcohol helpline, free and in complete confidence. Weekdays 9am to 8pm, weekends 11am to 4pm.
In an emergency, call your local emergency number.
Sources
- Alcohol units. NHS. nhs.uk
- What Is A Standard Drink?. National Institute on Alcohol Abuse and Alcoholism (NIAAA). niaaa.nih.gov
- Weekly low-risk alcohol guidelines. Health Service Executive (Ireland). hse.ie
- Canada's Guidance on Alcohol and Health. Canadian Centre on Substance Use and Addiction. ccsa.ca
- Australian Guidelines to Reduce Health Risks from Drinking Alcohol. National Health and Medical Research Council. nhmrc.gov.au
Page last reviewed 2026-10-04.
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