Alcohol Units Calculator: Free UK Tool for Calculating Drink Units & Weekly Limits
Calculate alcohol units in beer, wine, or spirits with our free online alcohol units calculator. Stay informed and drink responsibly!
Alcohol Units Calculator
Alcohol Units: -
Consumption Category: -
Tips: Aim for no more than 14 units per week for low-risk drinking.
How to Use
Track pure alcohol units instantly—no sign-up, ad-free, mobile-ready. Enter volume (ml, oz, pints) and ABV (%) for beer, wine, spirits, or custom drinks. Aligned with NHS guidelines (updated October 2025).
Example: 330ml beer at 5% ABV = 1.65 units.
Essential Guide to Alcohol Units
What is an Alcohol Unit?
One unit = 10ml pure ethanol. Formula: Units = (Volume ml × ABV %) ÷ 1000.
- Helps compare drinks fairly (e.g., pint lager ~2.3 units).
- Key for staying under NHS 14-unit weekly limit (spread over 3+ days, 2 alcohol-free days).
How to Use This Calculator
- Pick drink type.
- Add volume (auto-converts pints/oz).
- Enter ABV from label.
- Calculate—add multiples for totals. Tip: For cocktails, estimate ABV at 15%.
Common UK Drinks: Units Table
| Drink | Serving | ABV | Units |
|---|---|---|---|
| Lager (e.g., Stella) | 330ml | 5% | 1.65 |
| Wine | 175ml | 13% | 2.28 |
| IPA Beer | 500ml | 6.5% | 3.25 |
| Whiskey Shot | 25ml | 40% | 1 |
| Cider Pint | 568ml | 4.5% | 2.55 |
| Guinness Pint | 568ml | 4.2% | 2.38 |
| Mojito | 250ml | ~15% | 3.75 |
Source: NHS/Drinkaware averages. For “units in 330ml beer,” use tool for exact.
UK Guidelines & Health Basics
- NHS Limits: ≤14 units/week (men/women); no bingeing (>8 men/6 women).
- Visual: 14 Units = 6 pints beer OR 7 wine glasses.
- Risks: Excess links to liver/heart issues—track to cut 15-20% intake.
- Driving: ~2-3 units max (varies by person); wait 1 unit/hour.
Global Quick Compare
| Country | Weekly Limit | Notes |
|---|---|---|
| UK | 14 units | Spread out |
| USA | 14 std drinks (~22 units) | 2/day men |
| Australia | 10 std drinks (~14 units) | ≤4/day |
Top Tips to Reduce Units
- Swap to low-ABV (3-4%).
- Alternate with water.
- Measure pours.
- Plan 2 dry days/week. If >14 units habitual, talk to GP or call Drinkline (0300 123 1110).
FAQs
- How many units in a pint of beer? 2.3 at 4% (e.g., Carling).
- Alcohol unit calculator NHS? This matches—free & accurate.
- Calculate units in wine? 175ml at 13% = 2.28.
- Units per week calculator? Log sessions here.
- Drive after 2 units? Risky—don’t assume safe.
- How much is 14 units? Half bottle wine daily (over limit!).
Limitations: Guide only—consult pros for health advice. Calorie add-on coming 2026.
Start tracking: Calculate now for healthier choices!