What does '1/4 glass rule' mean?

• A. Refilling drinks only after customers finish.
• B. Asking the customer if they would like to have another drink when their drink is 1/4 full.
• C. Keep drinks full at all times.
• D. Never refill drinks.

Answer: (B)

The idea behind the 1/4 glass rule is proactive beverage service. When a guest’s drink is about one-quarter full, you check back and offer to refill. This keeps drinks flowing smoothly, shows you’re attentive to their needs, and helps prevent the guest from reaching a moment of emptiness or having to wait for service.

This approach balances attentiveness with respect for the guest’s pace: you’re not interrupting while they’re actively enjoying the drink, but you’re also not waiting until it’s almost empty. It can also feel like thoughtful hospitality and can naturally lead to a refill if they want one, without seeming pushy.

Refilling only after they finish would risk a pause in service and an empty moment. Keeping drinks full at all times can feel overeager or wasteful, and never refilling misses an easy opportunity to enhance guest satisfaction.