ToolBelt HQ

How Much Concrete for a 12-Inch Sonotube?

The 12-inch Sonotube is the most common size for deck construction, offering excellent load capacity for multi-level decks and larger structures. At 4 feet deep, it provides frost protection and stability in most climates. This is the go-to choice for professional deck builders and serious DIYers.

Results

Total Volume0.13cubic yards
Total Volume3.46cubic feet
80 lb Bags6bags
60 lb Bags8bags
40 lb Bags12bags
Net Volume (before waste)0.12cu yd
Waste Allowance10%

Need to adjust these values? Use the full calculator:

Open Full Calculator

Related Calculations