Calculated Industries Kitchen Calculator Desktop with Digital Timer Kitchen Calculator is a new invaluable tool for amateur and professional chefs! •Easily increase or decrease recipe servings and portions •Scale Recipe Ingredients for 2 or 42 •Accurately convert all standard food preparation measurements--capable of 146 conversions--metric, too •Built-in digital timer counts up or down--works while operating the calculator •Simple keystroke converts recipe temperatures between Centigrade and Fahrenheit