Everyone asks themselves the same question once the bill comes: How much should I leave for a tip?

While there is no one correct answer, there are some standards that most people abide by. Generally, leaving an 18-20% tip is generous and is appropriate for good service. A 10% tip would be appropriate for subpar service, and for really bad service you’re not obligated to leave a tip at all. Of course the opposite is true, too – leave as much as you want for awesome service.

The important thing to remember is that much of a waiter’s salary is made up of the tips they receive from each table.

An easy way to calculate the tip is to find 10% by moving the decimal one place to the left ($25.00 becomes $2.50) and then double it for 20% ($5.00).