Alcohol Units

Alcohol unit calculator

Clinical assessment tool

For use by assessment and keyworker staff. Covers all common drink types including high-strength and street-level products. Complete the client details section before printing.

Client details (optional — for printed records)

Add a drink

Drinks added

No drinks added yet
Total units
0.00
calculated
Calories (approx)
0
from alcohol only
Pure alcohol
0ml
volume consumed
Weekly equiv.
0.0
units if daily pattern
% of weekly limit
0%
NHS 14-unit guideline
Drinks added
0
items
014 units (weekly limit)35 units (higher risk)50+ units
Clinical risk thresholds (weekly units)
Low risk
Up to 14 units/week. Recommend staying within guidelines and having alcohol-free days.
Increasing risk
14–35 units/week (women) / 14–50 (men). Discuss impact on health. Consider brief intervention.
Higher risk
35–50 units/week (women) / 50+ (men). Likely alcohol dependence. Assess for withdrawal risk.
Possible dependence
Signs: morning drinking, shakes, sweating, seizure history. Do not advise abrupt cessation. Refer for clinical assessment.
Add drinks above to calculate units and see clinical guidance.

NHS low-risk guideline: no more than 14 units per week, spread over 3+ days. Higher-risk thresholds: 35+ units/week (women), 50+ units/week (men). Withdrawal risk increases significantly above 15 units/day — do not advise abrupt cessation without medical assessment. Drinkline: 0300 123 1110  |  AUDIT tool: use alongside this calculator for full dependency screening.

Last Updated on 21 May 2026