A:Answer Hey Laura, thank you for your question! The microwave FGMO205KF requires a cutout space of 16-3/4 inches (minimum) or 17 inches (maximum) tall, 24-3/4 inches (minimum) or 25 inches (maximum) wide, and 20 inches (minimum) deep. We suggest using a 30 inch trim kit for your space. Hopefully this information is helpful to you. –Thanks!-