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MEASURED QUANTITY SENSITIVITY

Concrete footing volume — depth scenarios.

How does changing depth affect concrete footing volume when the other inputs stay fixed?

What this decision changes

This measured quantity or supplied dimension enters the method on its stated unit basis. Other inputs stay fixed so its effect can be separated from net deductions, stock constraints or purchase rounding. Method basis: Represent stepped footings as non-overlapping segments. Enter every dimension from an existing design. Deductions are applied before the waste allowance.

The focus is specified depth in the first repeated measured entry. Other repeated entries keep their own supplied values.

V = Σ(L × W × depth × count) − exclusionsConcrete Footing Volume Calculator

Evaluate your supplied alternatives

Start with your measured plan and selected product data. The initial values and range are illustrative. Each scenario changes only specified depth in the first repeated entry; the other entered values stay fixed.

Display units

Measured plan and product inputs

Excluded or duplicated volume

m³

Waste allowance

%

Shortcuts only; choose your own allowance above.

Where to get this value

Enter your own allowance. Presets are input shortcuts, not a construction recommendation.

Footing segment 1 · entry varied by the range

Length

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Width

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Specified depth

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Identical segments

Footing segment 2

Length

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Width

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Specified depth

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Identical segments

Supplied comparison range for specified depth

Lower supplied comparison value

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Upper supplied comparison value

m

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Nine evenly spaced values are evaluated. Whole counts are rounded to distinct integer scenarios. Values between the listed samples are not calculated.

9 evaluated scenarios

Baseline: Concrete to order — 1.386 m³. Rejected combinations remain visible below.

Quantity to plot

Each bar is one actual calculated concrete to order. Horizontal values: specified depth in m. Only the first repeated entry varies.

Specified depth	Concrete to order	Change from baseline	Use this scenario
0.18 m	0.858 m³	-0.528 m³	Open in calculator Exact quantity breakdown Gross volume 0.88 m³ Excluded volume 0.1 m³ Segments 3
0.2175 m	1.023 m³	-0.363 m³	Open in calculator Exact quantity breakdown Gross volume 1.03 m³ Excluded volume 0.1 m³ Segments 3
0.255 m	1.188 m³	-0.198 m³	Open in calculator Exact quantity breakdown Gross volume 1.18 m³ Excluded volume 0.1 m³ Segments 3
0.2925 m	1.353 m³	-0.033 m³	Open in calculator Exact quantity breakdown Gross volume 1.33 m³ Excluded volume 0.1 m³ Segments 3
0.33 m	1.518 m³	0.132 m³	Open in calculator Exact quantity breakdown Gross volume 1.48 m³ Excluded volume 0.1 m³ Segments 3
0.3675 m	1.683 m³	0.297 m³	Open in calculator Exact quantity breakdown Gross volume 1.63 m³ Excluded volume 0.1 m³ Segments 3
0.405 m	1.848 m³	0.462 m³	Open in calculator Exact quantity breakdown Gross volume 1.78 m³ Excluded volume 0.1 m³ Segments 3
0.4425 m	2.013 m³	0.627 m³	Open in calculator Exact quantity breakdown Gross volume 1.93 m³ Excluded volume 0.1 m³ Segments 3
0.48 m	2.178 m³	0.792 m³	Open in calculator Exact quantity breakdown Gross volume 2.08 m³ Excluded volume 0.1 m³ Segments 3

Read the evaluated results

Read calculated demand, whole purchases and exact detail lines separately. This specific input may change quantity continuously, cross a purchase step or make the stated geometry or stock fit invalid.

Replace every illustrative baseline measurement and selected product value with the inputs for your actual task.
Enter a comparison range on the focused input's stated unit and quantity basis.
Review rejected combinations and use the exact detail lines to distinguish measured demand from whole purchases.
Open an evaluated scenario in the full calculator to save its original inputs and quantity breakdown to a browser material project.

Keep the comparison within scope

Compare measurements or already specified alternatives. Quantity sensitivity does not establish material suitability or construction requirements.

Uses supplied geometry, product properties and purchasing specifications.

Does not choose or certify construction dimensions, spacing, loads or regulatory requirements.

Only the listed samples are evaluated. Intermediate values, alternate constraints and global cutting optimality are not inferred from the graph.

Continue with this quantity method

Concrete Footing Volume Calculator

Other independent input decisions

Read the measurement and purchase guides

Quantity method and illustrative scenarios checked 6 October 2026. Methods and scope.