Construction
Ready-Mix Concrete Calculator
Estimate ready-mix concrete volume and material cost for a rectangular pour from dimensions, allowance, and price per cubic yard.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
Calculator guide
How to use the Ready-Mix Concrete Calculator
Estimate ready-mix concrete volume and material cost for a rectangular pour from dimensions, allowance, and price per cubic yard. Enter the requested values and select Calculate. The result and supporting values are produced locally in your browser.
Formula
Worked example
A 20 ft × 12 ft slab at 4 in thick is about 2.963 yd³ before allowance. With 5% extra, it requires about 3.111 yd³.
What to keep in mind
- Local suppliers may impose minimum-load or short-load charges not modeled here.
- Confirm final order quantity and mix specifications with the supplier.
Methodology
This calculator uses deterministic arithmetic and performs the calculation locally in your browser. Verify assumptions, units, and source values for your specific use case.
Review standard: Level B · Industry formula. How calculator reviews work.
Frequently asked questions
What does this calculator calculate?
Estimate ready-mix concrete volume and material cost for a rectangular pour from dimensions, allowance, and price per cubic yard.
How is the result calculated?
Total Cost = Required Cubic Yards × Price per Cubic Yard + Delivery Fee.
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
The calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.