To calculate your ideal menu item price, you need to determine how much it costs you to make the dish. Then, you'll divide the cost by your ideal food cost percentage. For example, it costs you $5.00 to make nachos. To calculate your menu price: Raw cost for nachos = $5.00 Ideal food cost percentage = 30% What is the selling price for the following calculation? $5.00 divided by .30 = Rounded up figure=