Construction Calculators
Sonotube Calculator
Estimate concrete volume, bag count, and material costs for cylindrical columns and posts made with Sonotube forms.
Select Sonotube size, enter column height and quantity, and the calculator computes total concrete volume with optional waste.
For pre-mixed bags it estimates total weight and bag count; for custom mix it estimates cement, sand, and gravel volumes and can include material costs.
Requirements
Sonotube size
Height
ft
Quantity
Volume
yd³
Concrete materials needed
Concrete mix
Concrete density
lb/ft³
Weight
Bag size
kg
Waste
%
Bags needed
Material costs
Cost per bag
INR
Total cost