If you’re running a catering operation, knowing your food Gross Profit (GP) is essential. GP Calculator is an easy way to instantly calculate GP, designed to help those in restaurants, pubs, hotels and cafes. GP Calculator can be used to calculate the GP on dishes already on your menu or to calculate the selling price you need in order to meet a target GP. All you need is your ingredient costs and your current selling price or target GP. GP Calculator will do the rest for you.