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File it under things you already know: Buying coffee and lunch each weekday is an expensive habit. But just how pricey? A recent survey of American workers by Accounting Principals reveals the average cost.

According to a the Accounting Principals Workonomix Survey, half of American workers buy coffee on workdays and two-thirds of the working population regularly buys their lunch. These statistics mean a huge dent in the average worker's wallet. The people who often buy coffee in the morning typically spend over $5 a day, averaging over $1000 per year ($1092 to be exact.) For lunch buyers, the numbers rack up to almost double — an average of $1924 per year. The survey estimated that the average American worker spends $1500 a year on getting to and from work, which means that lunch is costing more than the trip to and from the office.

The workers who spent the most on morning coffee and lunchtime meals were in the 18 to 24 age group. The survey also showed that men tend to spend more money on coffee and lunch than women.

The Huffington Post pointed out a small problem: Although the survey asked how much people who buy coffee and lunch spend each day, it didn't ask the rest of people, who make their own coffee and lunch, how much these expenses cost at the grocery store. Therefore, the spending habits of those who buy versus those who make at home cannot be compared.

With popular coffee chain prices on the rise, these numbers could increase in 2012. However, on an optimistic note, 35 percent of the people surveyed stated that this year they plan to bring lunch instead of buying as a way to save money.

Do you buy coffee and lunch or make them at home? Will these statistics inspire you to change your morning routine?

What do you think?