Shelf Bay Occupancy Percent Calculator

Audit shelf linear extent with separately committed growth reservations and local margins, not object slot/zone volume occupancy; committed overflow may exceed 100%.

Description

Shelf occupancy measures occupied linear length rather than item count or volume.

Shelf occupancy measures occupied linear length rather than item count or volume. Reserving additional growth space can overcommit a bay even while its present contents still fit.^[1]

Audit shelf linear extent with separately committed growth reservations and local margins, not object slot/zone volume occupancy; committed overflow may exceed 100%.

When to use Shelf Bay Occupancy Percent Calculator

Use this tool to audit shelf linear extent with separately committed growth reservations and local margins, not object slot/zone volume occupancy; committed overflow may exceed 100%.

Prepare the inventory, measurements or policy dates for the collection and reporting period. Confirm units, record order and any independently established thresholds or permissions.

How to use Shelf Bay Occupancy Percent Calculator and understand its results

Prepare the inventory, measurements or policy dates for the collection and reporting period. Confirm units, record order and any independently established thresholds or permissions.
Enter occupiedShelfLengthsM, usableShelfLengthsM, reservedGrowthLengthsM using the field table and calculation rules, then run the tool.
Read currentBayLinearOccupancyPercent, committedBayLinearOccupancyPercent, localSignedShelfMarginsM. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
occupiedShelfLengthsM	Occupied shelf lengths m	list of number	Required
usableShelfLengthsM	Usable shelf lengths m	list of number	Required
reservedGrowthLengthsM	Reserved growth lengths m	list of number	Required

Pair positive usable lengths with nonnegative occupied and reserved lengths in m. Current occupied length may not exceed usable length on any shelf. Return pooled current and committed percentages and each shelf's signed usable-minus-occupied-minus-reserved margin. Reservations may produce negative margins and committed occupancy above 100 percent.

Paired lists must be nonempty and have equal lengths.

currentPercent = 100Σoccupied/Σusable; committedPercent = 100Σ(occupied+reserved)/Σusable

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
currentBayLinearOccupancyPercent	Current bay linear occupancy percent	number
committedBayLinearOccupancyPercent	Committed bay linear occupancy percent	number
localSignedShelfMarginsM	Local signed shelf margins m	list of number

json

{
  "input": {
    "occupiedShelfLengthsM": [
      1,
      2
    ],
    "usableShelfLengthsM": [
      2,
      3
    ],
    "reservedGrowthLengthsM": [
      0.5,
      1
    ]
  },
  "output": {
    "currentBayLinearOccupancyPercent": 60,
    "committedBayLinearOccupancyPercent": 90,
    "localSignedShelfMarginsM": [
      0.5,
      0
    ]
  }
}

Limitations and assumptions

Length alone does not assess shelf load rating, access clearance or arrangement. Growth reservations are supplied plans rather than observations, and overflow is retained for review.

Numeric inputs must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Numeric lists are limited to 100,000 entries; the rules above may require smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Stack Range Growth Projection Years Calculator: Project caller constant accession-minus-disposal stack extent with explicit finite horizon and no-capacity-event sentinel; negative growth is retained, not presumed lawful disposal or validated forecast. For a complementary task, use Linear Feet from Box Count Calculator: Expand heterogeneous measured box widths into linear feet with actual inter-box gaps, not cubic-to-linear conversion or universal archival box dimensions.

References

Shelf Bay Occupancy Percent Calculator — tool.io

Similar or alternative tools

Stack Range Growth Projection Years Calculator
Project caller constant accession-minus-disposal stack extent with explicit finite horizon and no-capacity-event sentinel; negative growth is retained, not presumed lawful disposal or validated forecast.
Linear Feet from Box Count Calculator
Expand heterogeneous measured box widths into linear feet with actual inter-box gaps, not cubic-to-linear conversion or universal archival box dimensions.