Almost every restaurant has a website, a menu is available online — see all dishes and prices (remember, the price does not include the sales tax). Here is an example of an online menu.
If you don’t have any definite plans, but you feel like grabbing a bite while walking, say, between the visits, for example, to the Museum of Modern Art and Bloomingdale’s, there is usually a menu outside the restaurant, and it is convenient to see whether this place is up to your expectations.
Sales tax in New York City restaurants is 8.875%. Prices in the menu are listed without the tax, but it will be included in your bill.