Concrete
Depth is often entered in centimeters, so double-check your unit before calculating.
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Home Project CalculatorsConcrete Calculator
Estimate concrete volume from fixed dimensions.
Calculate slab volume from length, width, and depth.
Length (m)Width (m)Depth (cm)
This tool is for quick reference. Double-check important decisions with your own source data.
Calculation resultEnter values to see the result
Popular examples
6m by 3m by 12cm4.5m by 2.5m by 10cmConcrete volume for a 6 m by 3 m by 12 cm slabMaterial needed for four 1.5 m by 0.45 m by 35 cm footingsSix post holes 30 cm wide and 70 cm deepConcrete needed for a patio slabCheck material before a garage slab pourEstimate concrete for fence post holesCalculate total for several strip footingsConcrete for small deck support bases
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slabdepthmix
Home Project Calculators
Calculate slab, footing, and post hole concrete volume
Estimate concrete volume in cubic meters, liters, and cubic feet for slabs, strip footings, and post holes.
It helps before patio slabs, footings, and post installations when you want a quick material estimate from basic dimensions.
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Real examples
Concrete Calculator
Concrete volume for a 6 m by 3 m by 12 cm slabMaterial needed for four 1.5 m by 0.45 m by 35 cm footingsSix post holes 30 cm wide and 70 cm deepConcrete needed for a patio slabCheck material before a garage slab pourEstimate concrete for fence post holesCalculate total for several strip footingsConcrete for small deck support bases
Concrete
Why use the concrete calculator
Concrete
Use the quantity field when you have multiple identical footings or holes.
Concrete
Seeing cubic meters and liters together makes order planning easier.
Example inputs
Useful examples for this calculator
6m by 3m slab at 12cm4 strip footingsRound post holes
Modes
Concrete Calculator
Slab volume
Calculate slab volume from length, width, and depth.
Footings
Calculate total footing volume from one footing size and quantity.
Post holes
Calculate round hole volume from diameter, depth, and quantity.
FAQ
Concrete Calculator
Does it estimate ready-mix truck pricing?
No. It focuses on volume only so you can estimate materials without changing market values.
Does it rely on live rates or external data?
No. It uses only fixed geometry formulas.