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Concrete Volume
Concrete volume needed for a slab — L × W × T
Formula: volume = length × width × thickness
Volume of concrete needed for a rectangular slab. Useful for site managers ordering ready-mix, contractors pricing pours, or DIY home extensions. Add 5–10% wastage allowance to your order.
Inputs
Results
Required Concrete Volume
6 m3
Recommended next actions
- →Add 5–10% wastage allowance to your order quantity
- →Use rebar mesh for any slab over 4 m × 4 m
Turn this result into an action plan
Send the calculation to your inbox or book a review if the numbers point to cost, compliance, or uptime risk.
Formula
volume = length × width × thicknessWorked example
Inputs
length10
width4
thickness0.15
Outputs
volume6
Use for estimation. Verify safety-critical calculations with qualified review.