Concrete & Masonry

Foundation Calculator

What you will get

1. Needed

See the estimated project quantity from your measurements.

2. Buy

Add waste and round to complete bags, boxes, cans, bundles or delivery quantities.

3. Check

Review product coverage, site conditions, local requirements and supplier details before ordering.

Quick answer: Calculate foundation concrete volume in cubic feet, cubic yards, cubic meters, and bag equivalents with a visible waste allowance. Start with actual measurements, use the product label for coverage or yield, and treat the result as a planning estimate until site conditions and supplier requirements are confirmed.

Estimate concrete volume for simple strip footings, pads, and foundation sections before ordering material.

Project inputs

Enter your measurements

How foundation volume is calculated

Measure each simple foundation section as length × width × depth, convert the volume, then add an editable allowance for waste and uneven excavation.

volume = length × width × depth
order volume = net volume × (1 + allowance)

Planning only: soil bearing, footing size, reinforcement, frost depth, drainage, and structural requirements must come from the project drawings and local requirements.

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