How big is the standard Flat Top? Follow The Flat Top measures 27" x 20" and weighs 30 pounds. The drip tray measures 3.5" x 7" x .5" tall. Related articles Does grease ever run off the front of the Flat Top? Dimensions - Standard Flat Top for 30" Ranges Can pots and pans be used directly on the Flat Top? How is the Flat Top made? Custom Flat Top Drain Hole Placement Comments 0 comments Please sign in to leave a comment.