DEDUCTIONS AND EXISTING STOCK

Rectangular planter casting shell material — already supplied base thickness scenarios.

How does changing already supplied base thickness affect rectangular planter casting shell material when the other inputs stay fixed?

What this decision changes

A known internal space, existing stock or shared quantity must enter the correct subtraction or eligibility step rather than being counted as new material. Method basis: Shell volume = outer width × length × height − (width − 2 × side thickness)(length − 2 × end thickness)(height − base thickness). Does not choose wall thickness, reinforcement, waterproofing, strength or handling requirements.

The focus is already supplied base thickness in the first repeated measured entry. Other repeated entries keep their own supplied values.

Shell volume = outer width × length × height − (width − 2 × side thickness)(length − 2 × end thickness)(height − base thickness).Rectangular Planter Casting Shell Material 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 already supplied base thickness in the first repeated entry; the other entered values stay fixed.

Display units

Measured plan and product inputs

Selected mixed volume yield per kit or bag

L/bag

Where to get this value

Use the usable coverage or mixed yield printed on your product label for the stated application. Do not substitute bag weight for finished volume.

Supplied rectangular shell 1 · entry varied by the range

Outer width

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.

Outer length

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.

Outer height

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.

Already supplied side wall thickness

Already supplied end wall thickness

Already supplied base thickness

Identical shells

Supplied comparison range for already supplied base thickness

Lower supplied comparison value

Upper supplied comparison value

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: Selected mixed-material packages — 4 packages. Rejected combinations remain visible below.

Quantity to plot

Each bar is one actual calculated mixed material volume. Horizontal values: already supplied base thickness in mm. Only the first repeated entry varies.

Already supplied base thickness	Mixed material volume	Change from baseline	Purchase result	Use this scenario
30 mm	31.5 L	-3 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 31.5 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
36.25 mm	32.4375 L	-2.0625 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 32.4375 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
42.5 mm	33.375 L	-1.125 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 33.375 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
48.75 mm	34.3125 L	-0.1875 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 34.3125 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
55 mm	35.25 L	0.75 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 35.25 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
61.25 mm	36.1875 L	1.6875 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 36.1875 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
67.5 mm	37.125 L	2.625 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 37.125 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
73.75 mm	38.0625 L	3.5625 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 38.0625 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.
80 mm	39 L	4.5 L	4 packages	Open in calculator Exact quantity breakdown Mixed material volume 39 L Outer volume minus one retained inner cavity; shared wall corners are counted once. No drain openings are assumed. Product suitability, curing, strength and mixing specifications are not selected.

Read the evaluated results

Watch the net requirement and actual order separately. Invalid rows identify combinations that cannot satisfy the method's geometric or stock-basis constraints.

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

The supplied cavity, exclusion or stock eligibility must already be valid; the result does not select a safe shell, opening or construction detail.

Does not choose wall thickness, reinforcement, waterproofing, strength or handling 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

Rectangular Planter Casting Shell Material Calculator

Other independent input decisions

Prepare the actual material data

Read the measurement and purchase guides

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