Alcohol Units in a 50 ml Double Shot of 40% Spirit
A 50 ml double measure of 40% spirit contains exactly 2 alcohol units.
How to use this tool
- Enter volume and abv in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your alcohol units and the full breakdown beneath it.
A 50 ml double shot of 40% spirit equals 2 alcohol units — calculate it here.
Frequently asked questions
- What is a UK alcohol unit?
- One unit contains 10 ml (8 g) of pure ethanol. A pint of 5% lager = 2.84 units; a 175 ml glass of 13% wine ≈ 2.3 units.
- What is the NHS weekly guideline?
- The NHS recommends not regularly drinking more than 14 units per week, spread over 3 or more days with some alcohol-free days.