Beverage planning calculator
Alcohol Serving Calculator
Estimate total beverage volume and bottles needed using common serving sizes such as pegs, shots, wine pours, beer bottles, and custom milliliter values.
Bottle planning math
Alcohol Serving Calculator
Estimate total beverage volume and bottles needed from people, servings, serving size, and bottle size.
Selected serving
30 ml
Common Indian small peg
Selected bottle
750 ml
Standard bottle (750 ml)
Estimated bottles needed
1
For 20 serving(s), about 600 ml total volume.
Total servings
20
People x servings per adult
Total volume
0.6 L
600 ml
Estimated leftover
150 ml
After rounding up whole bottles
How the Calculator Works
total ml = people x servings per person x serving size in ml
Bottles needed are rounded up to whole bottles because partial bottles are not practical for planning. The leftover estimate shows the difference after that rounding.
Common Beverage Serving Sizes
| Serving | Approximate volume |
|---|---|
| Small peg | 30 ml |
| Large peg | 60 ml |
| US shot | about 44.36 ml |
| UK single measure | 25 ml |
| Wine glass | 125 ml to 150 ml commonly used |
| Beer bottle or can | 330 ml, 355 ml, 500 ml, or 650 ml commonly used |
Responsible Use Disclaimer
This calculator is only for beverage volume math for adults of legal drinking age. It does not provide medical, legal, safety, intoxication, or blood alcohol guidance. Follow local laws and use official product labels or venue measurements when exact serving sizes matter.