Cheerios Box Dimensions

Cheerios come in various box sizes ranging from small 8.9 oz boxes to large, family, and mega sizes up to 27.2 oz. Common sizes include 12 oz, 18-19 oz (Family), and 20-27.2 oz (Giant/Mega). Standard cheerios box dimensions are roughly inches, while larger boxes can measure up to inches high. 

Common Cheerios Box Sizes (Weight)

• Small/Single Serve: 8.9 oz
• Large: 15.4 oz – 15.6 oz
• Family Size: 18 oz – 19 oz (e.g., Original, Honey Nut, Multi Grain)
• Giant/Mega Size: 20 oz – 27.2 oz (e.g., Honey Nut, Hearty Nut Medley) 

Physical Dimensions (Approximate)

• Standard Box: ~12″ H x 8″ W x 2.5″ D
• Family Size Box: ~14″ H x 8″ W x 3″ D
• Mega/Large Box: ~14-15″ H x 10-11″ W x 3.5-4″ D 

Volume by Size

• 12 oz box: ~6–7 cups
• 18 oz family-size box: ~10–11 cups
• Mini boxes: ~1 cup