Measured tree ring mulch top up bag — measured existing depth scenarios.
How does changing measured existing depth affect measured tree ring mulch top up bag 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: Additional volume = π(outer radius² − inner radius²) × max(target depth − existing depth, 0) × count × allowance.
The focus is measured existing depth in the first repeated measured entry. Other repeated entries keep their own supplied values.
Evaluate your supplied alternatives
Start with your measured plan and selected product data. The initial values and range are illustrative. Each scenario changes only measured existing depth in the first repeated entry; the other entered values stay fixed.
9 evaluated scenarios
Baseline: Top-up mulch bags — 5 bags. Rejected combinations remain visible below.
| Measured existing depth | Top-up mulch bags | Change from baseline | Use this scenario |
|---|---|---|---|
| 30 mm | 7 bags | 2 bags | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 36.25 mm | 7 bags | 2 bags | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 42.5 mm | 6 bags | 1 bag | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 48.75 mm | 5 bags | 0 bags | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 55 mm | 5 bags | 0 bags | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 61.25 mm | 4 bags | -1 bag | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 67.5 mm | 4 bags | -1 bag | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 73.75 mm | 3 bags | -2 bags | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
| 80 mm | 2 bags | -3 bags | Open in calculatorExact quantity breakdown
Equivalent uniform existing depth. Target depth and central exclusion are supplied, not horticultural recommendations. |
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 installation schedules, safe system properties or regulatory compliance.
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
Measured Tree Ring Mulch Top Up Bag CalculatorOther independent input decisions
Read the measurement and purchase guides
- How to measure and order: planting quantities and top-ups
- Empty pot capacity versus fill around a root ball: quantity checks
Quantity method and illustrative scenarios checked 6 October 2026. Methods and scope.