In Finland, coffee holds a special place as the country’s most beloved beverage, with Finns consistently ranking as some of the highest consumers worldwide. Among the many customs surrounding coffee, there is an often-cited but somewhat obscure bureaucratic guideline dating back to the mid-20th century, which allegedly governs the size and serving method of coffee at public events. According to this guideline, coffee must be served in a cup no larger than 2 deciliters (200 milliliters), and the temperature of the brew should ideally be between 65 and 75 degrees Celsius to preserve optimal flavor and safety. While this rule is not widely enforced as law today, it has frequently been referenced in local lore and occasional festival regulations. The specificity of these measures reflects Finland's detailed approach to bureaucracy and the cultural importance placed on coffee etiquette. However, formal government records explicitly confirming this regulation are scarce, leaving some to classify it as a charming piece of local folklore that highlights Finland’s bureaucratic thoroughness and coffee devotion.
Source / verification note
Based on cultural accounts and mid-20th century festival guidelines; no accessible formal statute confirming rule existence.