Final ABV
16.67%
Long Island Iced Tea ABV Calculator
This calculator starts with classic Long Island specs and applies dilution so you can estimate in-glass ABV, US standard drinks, and beer-equivalent strength.
Educational use only. This is recipe math, not legal or medical guidance.
Interactive Long Island strength calculator
Final volume
171 mL
Ethanol volume
28.5 mL
US standard drinks
1.61
Equivalent 12 oz beers (5% ABV)
1.61 beers
Ingredient assumptions
Classic and variation comparison
| Preset | Estimated ABV | US standard drinks | Final volume |
|---|---|---|---|
| Classic Long Island Iced Tea | 16.67% | 1.61 | 171 mL |
| Citrus-forward Long Island | 16.11% | 1.61 | 177 mL |
| Lighter-pour Long Island | 13.62% | 1.28 | 167 mL |
Formula
For each ingredient, ethanol is volume × ABV fraction. Total ethanol is divided by final post-dilution volume:(sum ethanol) ÷ (ingredients + dilution water) × 100.