• 1 x 75 ml glass of wine - one unit
• 1 x 250 ml glass of wine - 3.3 units
• 1 x shot/shooter - ½ unit in most instances
• 1 x spirit cooler - about 1.25 units
• 1 x beer - 1.5 units or possibly more
• 1 x cider - two units
• 1 x 25 ml tot of spirits - one unit