Concrete Estimator Tube Calculator
Calculate the volume of concrete needed to fill a cylindrical form tube (like a Sonotube), commonly used for deck footings and piers.
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Guide to the Concrete Tube Estimator
The Concrete Estimator Tube Calculator, often called a Sonotube® Calculator, is an indispensable tool for accurately determining the volume of concrete needed to fill cylindrical forms. These cardboard tubes are commonly used to create footings for decks, piers for foundations, and support columns for various structures. Using this calculator ensures you purchase the right amount of concrete, saving time, money, and preventing waste.
Frequently Asked Questions (FAQ)
Q: What is a Sonotube®?
A: Sonotube® is a brand name that has become a generic term for cardboard tubes used as concrete forms. Our calculator works for any brand of cylindrical concrete form tube.
Q: Should I add extra for waste?
A: Absolutely. It is a standard best practice to add 5% to 10% to your total calculated volume to account for spillage, uneven hole depths, and concrete that may stick to the mixer or tools.
Q: Does the diameter refer to the inside or outside of the tube?
A: You should use the inside diameter of the tube, as this is the space that will be filled with concrete. This is the standard measurement provided by manufacturers (e.g., an "8-inch tube" has an 8-inch internal diameter).
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