Guinness West Indies Porter 50cl
2.4
Alcohol units
1 unit = 10 g of pure alcohol
24 g
Pure alcohol
grams of ethanol per serving
168 kcal
Calories
alcohol only, excluding sugars
3h
Elimination
80 kg man, back to 0 g/L
Elimination time
Estimated blood alcohol content after one Guinness West Indies Porter 50cl, using the Widmark formula that powers our calculator. Absorption takes about 30 minutes, then the body eliminates at a constant rate.
Typical man
80 kg
0.35 g/L
Estimated peak · reached after 30 min
✓
Below 0.5 g/L · stays below the limit
3h
Zero BAC
Typical woman
60 kg
0.61 g/L
Estimated peak · reached after 30 min
1h30
Below 0.5 g/L
5h40
Zero BAC
Driving limit: 0.5 g/L
What if you have 2 or 3?
Drinks one hour apart, durations counted from the first drink until back to 0 g/L.
| Man · 80 kg | Woman · 60 kg | |
|---|---|---|
| 1 drink | 3h peak 0.35 g/L | 5h40 peak 0.61 g/L |
| 2 drinks | 5h50 peak 0.63 g/L | 11h10 peak 1.15 g/L |
| 3 drinks | 8h40 peak 0.91 g/L | 16h40 peak 1.70 g/L |
What about you?
Adjust sex and weight to estimate what one Guinness West Indies Porter 50cl does to your BAC.
0.35 g/L
Estimated peak
✓
Below 0.5 g/L
3h
Zero BAC
Based on your weight
Estimated time to get back to 0 g/L after one Guinness West Indies Porter 50cl, on an empty stomach.
| Weight | Man | Woman |
|---|---|---|
| 55 kg | 4h10 | 6h10 |
| 65 kg | 3h40 | 5h10 |
| 75 kg | 3h10 | 4h30 |
| 85 kg | 2h50 | 4h |
| 95 kg | 2h30 | 3h40 |
What about a full week?
The WHO places the weekly risk threshold at 21 standard drinks for men and 14 for women. One Guinness West Indies Porter 50cl (2.4 units) represents 11% of the men's guideline and 17% of the women's.
You exceed the guideline beyond 8 drinks per week for a man, 5 for a woman.
What it adds up to
Alcohol provides 7 kcal per gram. One Guinness West Indies Porter 50cl contains 24 g of pure alcohol, which is about 168 kcal, sugars not included.
42 min of walking
to burn those calories
Among the beers in our catalogue
115 of 167
least alcoholic product
137 of 167
least caloric product
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Frequently asked questions
How many alcohol units are in Guinness West Indies Porter 50cl?
Guinness West Indies Porter 50cl (6% ABV, EAN 5052542000074) contains 2.4 alcohol units, i.e. 24 g of pure alcohol. One standard unit equals 10 g of pure alcohol.
How long does it take to eliminate Guinness West Indies Porter 50cl?
Allow about 3h for an 80 kg man and 5h40 for a 60 kg woman to get back to 0 g/L. These are theoretical estimates: they vary with weight, age, tiredness and food intake.
How many calories are in Guinness West Indies Porter 50cl?
The alcohol in Guinness West Indies Porter 50cl represents about 168 kcal (7 kcal per gram of alcohol), excluding sugars. It would take about 42 minutes of walking to burn them.
Can I drive after one Guinness West Indies Porter 50cl?
After a single serving, the estimated peak is 0.35 g/L for an 80 kg man and 0.61 g/L for a 60 kg woman. Legal limit: 0.5 g/L in Switzerland and France, but 0.2 g/L on a French probationary licence and 0.1 g/L for new drivers in Switzerland. These values are theoretical and never a guarantee: only a breathalyser can tell. When in doubt, do not drive.
The values shown are theoretical estimates based on the Widmark formula (30 min absorption, elimination of 0.15 g/L/h for men and 0.12 g/L/h for women, on an empty stomach). Actual blood alcohol varies with the individual, food, tiredness or medication. This information is no substitute for a breathalyser or medical advice. Alcohol abuse is dangerous for your health.