What are the tipping customs in Europe?
There is no universal rule that covers all tipping situations in Europe, but there are some guidelines. Tip what you feel most comfortable giving whether it be taxi, restaurant or hotel. In restaurants, service charges range between 10 and 15% and are generally included in the bill. However, it is customary to leave something extra behind. (For example, 5-10%) Taxi drivers do expect a tip. It is customary to tip them 10% especially if they are helping you with bags.
