Building Types
100x150 Agricultural Steel Building
- Width
- 100 ft
- Length
- 150 ft
- Floor area
- 15,000 sq ft
- Perimeter
- 500 ft
Use
How a 100×150 Agricultural Building May Be Used
Equipment storage
Machinery clearance height and door width are usually the limiting factors, not floor area.
Hay storage
Bulk storage depth against the sidewalls affects how the building is loaded and unloaded.
Livestock shelter
End-to-end access lets equipment pass through without reversing.
Example
Example Configuration
Quick dimensions
At a Glance
Width
100 ft across the gable end.
Length
150 ft along the sidewall.
Floor area
15,000 sq ft of clear floor.
Eave height
24 ft at the sidewall on the stored profile.
Configuration
How This Building Is Configured
Steel structures for equipment, hay, livestock and general farm storage.
Configuration summary
| Building type | Agricultural Building |
|---|---|
| Footprint | 100 ft × 150 ft |
| Floor area | 15,000 sq ft |
| Eave height | 24 ft |
Planning
Footprint & Space Planning
Footprint
Width and length are chosen together: width is usually fixed by what has to fit side by side, length by how many bays are needed.
Height
Eave height affects door options, storage height and how open the interior feels.
Access
Where vehicles and people enter changes the whole interior layout, so access is settled before anything else.
Doors and openings
Opening width, height and position are specified with the supplier; they affect the frame and the wall bracing.
Site
Slope, drainage, access for delivery and erection, and the foundation are confirmed for the actual property.
Expansion
Extending along the length is usually simpler than changing the width later, which is worth deciding up front.
Access
Doors & Access Considerations
Opening width
Across a 100 ft gable end, the practical opening width is limited by the frame and confirmed with the supplier.
Opening height
A 24 ft eave sets the ceiling on door height before any frame change.
Drive-through
Matching openings at both ends avoid reversing, at the cost of usable wall.
Similar sizes
Other Sizes for a Agricultural Building
100′ × 130′
13,000 sq ft
100′ × 170′
17,000 sq ft
90′ × 150′
13,500 sq ft
Related
Related Building Types
Example configuration — for planning purposes only.
FAQ
Common Questions
100 ft × 150 ft is 15,000 square feet of floor area before any interior partitions.
Length is usually adjusted in bay increments, and width is a larger design change. Both are confirmed with the supplier for the final design.
Site preparation, foundation and erection are commonly quoted separately from the building package. Confirm the scope of any quote you receive.
Compare nearby sizes
Related footprints for this building type
Each page works through one footprint for one building type.
Overview
A 100x150 agricultural building planned as hay, feed and forage storage
This page is ordered around access, because on a 100-foot endwall the opening arrangement settles how a agricultural building at 100x150 is actually used.
The footprint holds 25 stacking bays — 5 across by 5 deep — and the remaining 6 feet is marginal: the leftover is absorbed by the loader's turning circle at the stack face.
Commitment first: 78% of the 15,000 square feet goes to stacking bays at 468 square feet each, and 2,100 square feet survives as edge strip. A footprint is worth its own decision when that split lands where the work does. Fire separation, egress and occupancy are determined for the specific building and can reshape this plan entirely.
A 100 by 150 footprint is a clearly directional plan: 15,000 sq ft enclosed by 500 ft of wall, at a 1.5:1 length-to-width proportion. Along its 150 ft dimension it takes 5 runs of stacking bays at 26 ft, leaving 20 ft over — the 20 ft is where the argument about this size actually happens. Forage storage is a volume problem before it is a floor problem. What matters at this footprint is how high the stack can safely go, how far back the loader can reach, and whether the last row is still accessible when the front rows are gone. The turning circle outside the doors is part of the building's usable area even though it is not enclosed.
At 100x150 the operating question is a specific one: how much forage can be stacked under cover, and can the loader still reach the back of the stack in February? That is a different question from the one a agricultural building of another shape has to answer, and it is why this footprint is planned as hay, feed and forage storage rather than as generic covered area.
Read this page as a use page, not a construction page. Agricultural building is a use category on this platform, not a construction method: it covers farm buildings by what they hold and how the operation runs, and the same use can be built as a clear-span steel frame, a post-frame building or another system. The question it answers is how useful a 100x150 footprint is for this use.
Areas, perimeter, roof area, ridge height, slab volume and the stacking bay counts on this page are computed from the stored 100x150 record and this platform's planning module for the agricultural building category.
Openings
Openings for 5 stacking bays across
One opening per position works on this gable: 5 across 100 feet, with 10 feet of wall to distribute as piers. Splitting that margin evenly is what keeps the elevation buildable. Two feet of spare width reads as nothing on a plan and as a great deal when a machine is being turned.
Openings are sized for a loaded loader with the bucket or grapple raised, not for the bales. A door that admits a bale stack will still stop the machine carrying it.
Loading is done by machine from the apron, so the surface outside the door does as much work as the floor inside.
Framed-opening sizes, headers and the structure around them are engineered for the specific building. Confirm every opening with the door supplier and the building manufacturer before ordering.
Configurations
Configuring 25 stacking bays at 100x150
Nominal bay division computes to 6 bays at about 25 feet, wider than the 18-foot module — so a position can sit inside a bay without a frame line splitting it. Judge the plan by what has to happen on the worst day of the year, not on an average one.
Two-plus rows change the access question entirely. Every rear position at 100x150 needs either its own opening or an aisle, and 10 feet of spare width is what that aisle has to come from. Rows that cannot be entered independently end up used as one long space.
Forage demand grows in whole seasons, so extra capacity is usually taken by extending the stack run lengthwise or adding an open bay rather than by conditioning existing space.
Configured as hay, feed and forage storage, 100x150 is judged on whether the 25 stacking bays it holds match the operation, and on whether the 10 feet of spare width leaves the route this mode depends on.
- Does the work need an interior street with independent zones on both sides and turning room at each end, or does it need a second lane that this 100-foot span cannot give?
- Is the 150-foot length being bought for depth, or for the repeated bays — a long repeating bay sequence, so segment boundaries are set by bay lines rather than by walls?
- What is the widest implement that has to come in fully assembled, and does it ever come in with an operator in a hurry?
- Does the building need a drive-through route, or is single-end access acceptable?
Bay division shown here is a planning module computed from the stored length. Actual bay spacing is set by the manufacturer's frame design for the building.
Usable area
How the 15,000 square feet divides at 100x150
Computed stacking bay fit for a 100x150 agricultural building
| Measure | Computed at this footprint |
|---|---|
| Stacking bays across the 100-foot width | 5 at a 18-foot module |
| Leftover width | 10 ft (1,500 sq ft as a full-length strip) |
| Rows along the 150-foot length | 5 at a 26-foot module after 14 ft of circulation |
| Leftover depth | 6 ft (600 sq ft across the width) |
| Total stacking bays | 25 |
| Share of floor committed | 78% |
Module footprint used here is 18 by 26 feet, this platform's planning module for a agricultural building. It is not a code minimum or an engineered clearance.
Example allocation of the 150-foot length — planning model, not survey data
| Zone | Length along the building | Computed area |
|---|---|---|
| Equipment bays | 90 ft | 9,000 sq ft |
| Material and input storage | 37.5 ft | 3,750 sq ft |
| Working and turning space | 22.5 ft | 2,250 sq ft |
Shares applied to the stored 150-foot length; areas computed against the 100-foot width.
Module footprints and allocation shares come from this platform's use typology and are published as example planning models. They are not recommendations and do not describe a majority of projects.
Allocation
Dividing the floor for hay, feed and forage storage
The second use this farm footprint tends to absorb is livestock-support and handling space: the leftover belongs to the animal route and should not be filled with stored items. Dividing the 15,000 sq ft by the 18 by 26 ft stacking bay gives roughly 20 positions before circulation is deducted a second time for cross movement. Whether the plan keeps 20 or drops to 15 comes back to the question this footprint is really answering: how much forage can be stacked under cover, and can the loader still reach the back of the stack in February?
The 6-foot leftover depth falls under the 14 feet this platform treats as usable for a agricultural building, so the leftover is absorbed by the loader's turning circle at the stack face. The mezzanine that is added afterwards is the change order that reprices the frame.
The 10 feet of spare width runs the whole 150-foot length — 1,500 square feet of wall strip. It earns its keep as shelving, staging or a walking route, not as another stacking bay. Storage expands until it meets a wall, so give it a wall on purpose.
Spent as a square 122 by 122 instead, the same 15,000 sq ft would stand 6 stacking bays across rather than 4, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. Compared with a 100 by 110 of the same width, the extra depth here adds run rather than reach: it buys about 5 stacking bays in line, and every position past the second is retrieved by moving what stands in front of it. At this scale the building is infrastructure rather than a shed; scheduling, traffic direction and separation of activities matter more than any single dimension. The longest internal travel on a 100 by 150 plan is about 180 ft corner to corner, and the shortest useful one is the 100 ft cross-run. For a hay, feed and forage storage that matters where hay barn planning sits, because shortening the 100 ft run to serve it lengthens every trip along the 150 ft dimension. Vermin, birds and dust are planned for at the eave and the base or they are dealt with for the life of the building. That movement pattern, not the 15,000-square-foot total, is what decides whether the leftover 6 feet is useful here.
Height
Interior height for a 100x150 agricultural building
The stored configuration carries a 24-foot eave and computes to 40.7 feet at the ridge on a 4:12 pitch — a 16.7-foot rise across 100 feet. Height is therefore not uniform, and the sidewall is the constraint. Circulation width is the first thing surrendered under pressure and the first thing missed afterwards.
Height on a 100 ft span is a separate decision from the 150 ft length, and it is the span that sets the frame's behavior. Raising the eave over 15,000 sq ft affects every bay along the 150 ft dimension, so the test is whether hay barn planning genuinely needs the extra clear height or only the floor area.
Ventilation across 15,000 square feet at this height: farm storage brings moisture in with it: green hay, wet machinery and any animals all release it, so ridge-to-eave airflow is a planning priority and a tightly sealed building is usually the wrong instinct here.
Clear height below purlins, bracing and lighting is lower than the eave height. The usable figure comes from the manufacturer's framing for the selected building.
Cost drivers
Quantities that move the estimate at 100x150
The estimate at 100x150 moves with four computed quantities: 15,000 square feet of floor, 500 feet of perimeter, 12,000 square feet of wall and 15,811 square feet of roof. Everything else is site and specification. The plan is only as good as the route into it, which is a site question rather than a building one.
Proportion drives cost here as much as size does: 500 ft of wall around 15,000 sq ft is 0.033 ft of wall per enclosed square foot, and a squarer plan of the same area would carry less. What moves the figure further on a hay, feed and forage storage is the fit-out hay barn planning implies, along with framed openings and the height chosen for the 100 ft span.
- the clear width the widest fully assembled implement needs
- whether the floor is left as dirt or gravel, partly concreted for the working end, or fully slabbed
- how many bays stay open for machinery and how many are enclosed for inputs
- the apron and yard surface machinery turns on
- interior partitioning between feed, tool and machinery zones
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a agricultural building
| Footprint | Floor area | Stacking bays |
|---|---|---|
| 60x100 | 6,000 sq ft | 9 (3 x 3) |
| 50x120 | 6,000 sq ft | 6 (2 x 3) |
| 80x80 | 6,400 sq ft | 6 (3 x 2) |
| 60x120 | 7,200 sq ft | 9 (3 x 3) |
| 50x150 | 7,500 sq ft | 9 (3 x 3) |
Areas computed from each stored size record; stacking bay counts computed with the same 18 by 26 foot planning module.
- 60x100 moves the count from 25 to 9 stacking bays (3 across by 3 deep), which is the reason to choose between them.
- 50x120 moves the count from 25 to 6 stacking bays (2 across by 3 deep), which is the reason to choose between them.
- 80x80 moves the count from 25 to 6 stacking bays (3 across by 2 deep), which is the reason to choose between them.
Nearby footprints read for a agricultural building: exact change in area and in planning stacking bays
| Footprint | Area Δ | % Δ | Stacking bays at that footprint | What changes for this use |
|---|---|---|---|---|
| 80x200 | +1,000 sq ft | +6.7% | 15 (3 x 5) | −10 stacking bays on the same planning module. |
| 100x120 | −3,000 sq ft | −20% | 16 (4 x 4) | −9 stacking bays on the same planning module. |
| 120x150 | +3,000 sq ft | +20% | 30 (6 x 5) | +5 stacking bays on the same planning module. |
| 80x150 | −3,000 sq ft | −20% | 12 (3 x 4) | −13 stacking bays on the same planning module. |
Areas are arithmetic on two stored size records; stacking bay counts use this platform's 18 by 26 foot planning module and are not a capacity statement.
Because this footprint is planned as hay, feed and forage storage, the useful next reads are different from the ones a differently shaped agricultural building suggests: hay barn planning, forage storage height, feed storage buildings.
Visualization
Reading the 100x150 footprint as a agricultural building
FAQ
Questions about 100x150 agricultural building projects
Not enough for a planned room at this footprint: the leftover is absorbed by the loader's turning circle at the stack face.
Reserving 14 ft across the 100 ft dimension for movement leaves 86 ft of working width, which takes 4 stacking bays at 18 ft. Along 150 ft it takes 5 runs at 26 ft. That is 20 positions out of 15,000 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on how much forage can be stacked under cover, and can the loader still reach the back of the stack in february. These are planning figures computed from the footprint, not a quoted layout.
It depends on the tallest machine as it actually arrives — loader arm part-raised, folded implement up — rather than the machine at rest. The stored configuration computes to 40.7 feet at the ridge, but the eave is the number that governs anything standing near a wall.
The interior height available under the frame and the safe working practice for stacking and unstacking. This platform publishes no stacking height, because it is an operational and safety determination rather than a building dimension.
The footprint holds 25 stacking bays — 5 across by 5 deep — and the remaining 6 feet is marginal: the leftover is absorbed by the loader's turning circle at the stack face. Those counts use a 18 by 26 foot planning module with 14 feet allowed for circulation, so a different module changes the answer.
Methodology
How this page was produced
Sources and methodology
Find Steel Buildings dimensional records
Find Steel Buildings · Primary platform dataset · Tier 1 — code authority, standards body, primary dataset or manufacturer engineering
Supports: Stored nominal width, length, eave height, roof pitch and slab thickness for this subject.
International Building Code and International Residential Code
International Code Council · Model code · Tier 1 — code authority, standards body, primary dataset or manufacturer engineering
Supports: The framework of adopted codes and local amendments that decides permitting, separation and opening requirements. Cited as the governing framework, never as a local requirement.
- Dimensional figures: Width, length, eave height, roof pitch and nominal slab thickness come from this platform's stored record for the subject. Floor area, perimeter, wall area, roof area, ridge height and slab volume are computed from those inputs rather than transcribed.
- Stacking bay fit: Counts, leftover strips and per-module areas are computed from the stored 100x150 record against this platform's 18 by 26 foot planning module for the agricultural building category, with 14 feet allowed for circulation. The module is editorial planning typology, not a code minimum or an engineered clearance.
- Allocation model: Zone shares come from this platform's use typology for agricultural equipment and crop shelter and are applied arithmetically to the stored 150-foot length.
- Allocation and layout models: Layout splits are arithmetic on the stored footprint, published as example allocation models. They are not survey findings and do not describe what buyers most often choose.
- Clearance and opening guidance: Clearance and opening statements are planning guidance. Final dimensions depend on the selected door system, header detail and the manufacturer's engineering for the building.
Methodology notes
- Prices: No price figure appears on this page. Cost data is published on this platform only with a documented inclusion basis, a collection date and a named source.
Drawn to scale
Plans and dimensions
Every drawing below is generated from the exact dimensions for this building, so proportions and areas are accurate.
Continue your research
Related planning topics
Background reading on the questions this page raises. None of these pages sells anything.
Compare 100x150 agricultural building configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.