Building Types
24x36 Metal Garage
- Width
- 24 ft
- Length
- 36 ft
- Floor area
- 864 sq ft
- Perimeter
- 120 ft

Configuration
How This Building Is Configured
A steel garage building sized around vehicle bays, door openings and clear interior height.
Configuration summary
| Building type | Metal Garage |
|---|---|
| Footprint | 24 ft × 36 ft |
| Floor area | 864 sq ft |
| Eave height | 12 ft |
Example
Example Configuration

Quick dimensions
At a Glance
Width
24 ft across the gable end.
Length
36 ft along the sidewall.
Floor area
864 sq ft of clear floor.
Eave height
12 ft at the sidewall on the stored profile.
Access
Doors & Access Considerations
Opening width
Across a 24 ft gable end, the practical opening width is limited by the frame and confirmed with the supplier.
Opening height
A 12 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.
Use
How a 24×36 Metal Garage May Be Used
Vehicle storage
Bay width and door placement determine how many vehicles park comfortably and how they circulate.
Home workshop
A wall of bench space is commonly kept clear of door swings and vehicle doors.
Equipment parking
Shelving depth along a side wall reduces the usable parking width, so it is planned early.
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.
Similar sizes
Other Sizes for a Metal Garage
24′ × 20′
480 sq ft
24′ × 56′
1,344 sq ft
20′ × 36′
720 sq ft
Related
Related Building Types
Example configuration — for planning purposes only.
FAQ
Common Questions
24 ft × 36 ft is 864 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.
What this page answers
Fitting vehicles and a working bay into a 24 ft by 36 ft garage.
At 24x36 the extra length beyond a plain two-car footprint is the whole point. That surplus can sit in front of the vehicles as a work bay, or alongside as a deep storage lane, and choosing between those two is the main decision here.
The extra length is the useful part
Compared with a plain square two-car footprint, 36 ft of length adds a working strip. Whether it sits ahead of the parked vehicles or across the back changes the door position and the bench wall.
Twenty-four feet is two vehicles, tightly
Two vehicles at 24 ft wide leaves door-opening clearance and little else. Any storage along the side walls has to come out of that clearance, so decide it before the width is fixed.
Three bays along the 36 ft run
A 36 ft length typically frames into three 12 ft bays, which suits a two-bay parking area plus one work bay with its own lighting and bench.
Where the personnel door goes
A side door into the work bay keeps the main opening shut during shop use — a small decision that changes daily comfort.
Depth is what future-proofs a garage
A longer bay absorbs a bigger vehicle, a trailer tongue or a bench later. Width does not, because width is set by the parked pair.
Before you ask for a quote
The decisions that change what you should be quoted
Planning guidance for an early-stage decision. Nothing here is a price, a load figure or a code requirement.
Is the work bay ahead of or beside the cars?
Ahead keeps two clean parking lanes; beside gives a full-length bench but tightens parking.
One wide door or two?
Two openings on a 24 ft wall need a centre pier; one wide opening keeps the interior flexible.
What is the longest vehicle?
Bumper-to-wall clearance, plus room to walk around the front, is the real length requirement.
Is there a lift or tall equipment?
Anything raised sets a height requirement that must be specified with the frame.
Is the floor being used for wet work?
Washing or welding inside changes the floor and drainage brief.
Related
Where the neighbouring questions are answered
Each link goes to the page that owns that question, so nothing is answered twice.
Overview
A 24x36 metal garage planned as parking sharing a building with a permanent workshop area
This page is ordered around reaching the vehicle you want, because at this bay count the constraint is how many others have to move first.
The footprint holds 1 work-and-park bay — 1 across by 1 deep — and the remaining 6 feet is marginal: there is no permanent bench run, so the workshop is set up and packed away around the parking and gradually stops happening.
What distinguishes 24x36 is depth behaviour: 1 row along 36 feet after 6 feet of circulation, with 6 feet unaccounted for at the end of the run. Where the building sits on the site changes how much of this floor is genuinely reachable.
A 24 by 36 footprint is a clearly directional plan: 864 sq ft enclosed by 120 ft of wall, at a 1.5:1 length-to-width proportion. Along its 36 ft dimension it takes 1 run of work-and-park bays at 24 ft, leaving 12 ft over — the 12 ft is where the argument about this size actually happens. Taken purely as arithmetic, 24 by 36 gives 1 work-and-park bays across the 24 ft dimension once 6 ft is reserved for movement, and 1 deep along the 36 ft dimension. Run as a parking sharing a building with a permanent workshop area, 5 ft across is below the 10 ft this use needs to be worth planning, so there is no permanent bench run, so the workshop is set up and packed away around the parking and gradually stops happening The vehicle door is the largest thermal opening in the building and the hardest part to seal well.
This footprint is planned as parking sharing a building with a permanent workshop area. Spent as a square 29 by 29 instead, the same 864 sq ft would stand 1 work-and-park bays across rather than 1, 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 24 by 30 of the same width, the extra depth here adds run rather than reach: it buys about 1 work-and-park 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 usually operated by one or two people who know where everything is, so the plan can be loose and the doors matter more than the divisions. Two rhythms share the floor: parking daily and working occasionally. The occasional use loses every argument unless the layout protects it. Overhead storage is the cheapest area in a garage and the least used, because it is planned last.
Areas, perimeter, roof area, ridge height, slab volume and the work-and-park bay counts on this page are computed from the stored 24x36 record and this platform's planning module for the metal garage category.
Openings
Openings for 1 work-and-park bay across
At 24 feet the gable will not comfortably take one opening per work-and-park bay: 1 position with 11 feet spare leaves too little wall for piers. A single wider opening, or a sidewall opening, is the workable route. Rows that cannot be entered independently end up used as one long space.
The 24 ft ends and the 36 ft sides offer very different opening budgets: 24 ft of end wall has room for one wide opening or two modest ones, while 36 ft of side wall can carry several without the openings competing. On this plan the deciding factor is whether garage workshop combination or permanent bench run should be the first thing reached from the door.
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.
Footprint arithmetic
The 24x36 footprint measured for a metal garage
Computed dimensional profile of a 24x36 metal garage
| Measure | Computed at this footprint |
|---|---|
| Floor area | 864 sq ft |
| Interior after a 2 ft wall strip | 20 × 32 ft (640 sq ft) |
| Proportion | 1.5 to 1 |
| Perimeter | 120 ft (138.9 ft per 1,000 sq ft of floor) |
| Wall carried against a square of the same area | +2% |
| Enclosed volume | 12,096 cu ft at a 12 ft eave and 16 ft ridge |
| Roof plane against floor | 911 sq ft (+5%) |
| Work-and-park bays planned | 1 across × 1 deep = 1 |
| Circulation and margin | 64% of the footprint |
| Widest clear opening planned | 16 ft on the 24 ft gable, 8 ft in a sidewall bay |
| Bay division | 3 bays at 12 ft (exact) |
Computed from the stored 24x36 record. The 2-foot wall strip, 4-foot corner margin and 4-foot pier allowance are this platform's planning conventions for reading a footprint; they are not code minimums or engineered clearances.
The gable clears roughly 16 ft after corner framing: one opening, not two. With one shallow rank the end wall is the whole access strategy.
36 ft is under one full 24-ft rank with circulation. 864 sq ft is small enough that the far end is still within reach of the main door.
The 24-ft span holds 1 work-and-park bays plus 11 ft — most of another position. With 1 ranks behind each other the width sets retrieval order: what goes in first comes out last.
36 ft divides exactly into 3 bays at 12 ft. Partitions, openings and lighting rows all land on the same 12-ft grid.
The 11 ft left across the width is most of another work-and-park bay without being one. Given a purpose it becomes a bench run that stays set up whether or not the vehicle is inside, with the floor in front of it kept clear; left undefined it becomes the strip everything ends up in.
How the 36-foot run can be divided
| Bays | Spacing | Division | What it means for the plan |
|---|---|---|---|
| 3 | 12 ft | Exact | 36 divides exactly by 12, so the frame line, the sidewall openings and any interior division can all land on the same grid. |
| 2 | 18 ft | Nearest even division | 2 bays works out at 18 ft, because 36 does not divide by 16; the odd bay usually goes at the end that carries the door. |
| 4 | 9 ft | Nearest even division | 4 bays works out at 9 ft, because 36 does not divide by 10; the odd bay usually goes at the end that carries the door. |
Bay divisions are arithmetic on the stored 36-foot length. Frame spacing for a specific building is set by the manufacturer's engineering, not by this table.
Allocation
Dividing the floor for parking sharing a building with a permanent workshop area
The use this shell could equally be given beyond parking is a multi-bay building holding several vehicles, equipment and their servicing: there is no free bay, so working on any vehicle means moving two others first. A parking footprint and a workshop footprint that do not overlap, with the bench against the wall that the vehicle's door does not swing into. Overlap is what makes the workshop seasonal.
Treating the last 6 feet as a room is the recurring planning error at 24x36: there is no permanent bench run, so the workshop is set up and packed away around the parking and gradually stops happening. Snow, wind and site exposure change what this shape costs to build long before the interior plan does.
Spare width is the more valuable of the two leftovers here: a continuous 11-foot strip beats the same area stranded at the end of the run, because it touches every position along the way. Fire separation, egress and occupancy are determined for the specific building and can reshape this plan entirely.
Spent as a square 29 by 29 instead, the same 864 sq ft would stand 1 work-and-park bays across rather than 1, 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 24 by 30 of the same width, the extra depth here adds run rather than reach: it buys about 1 work-and-park 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 usually operated by one or two people who know where everything is, so the plan can be loose and the doors matter more than the divisions. Two rhythms share the floor: parking daily and working occasionally. The occasional use loses every argument unless the layout protects it. Overhead storage is the cheapest area in a garage and the least used, because it is planned last. That movement pattern, not the 864-square-foot total, is what decides whether the leftover 6 feet is useful here.
Configurations
Configuring 1 work-and-park bay at 24x36
Nominal bay division computes to 2 bays at about 18 feet, wider than the 13-foot module — so a position can sit inside a bay without a frame line splitting it. The mezzanine that is added afterwards is the change order that reprices the frame.
One row deep keeps the layout honest — no aisle to protect, no rear zone to serve, and the full 36-foot length available along the wall. Storage expands until it meets a wall, so give it a wall on purpose.
Extension is cheapest along the 36 ft dimension, where each added bay repeats work already framed; widening past 24 ft is a different frame rather than a longer one. Growing to 24 by 60 adds a 2th run of work-and-park bays — useful if the constraint is work-and-park bays rather than the 12 ft already spare at the far end.
Configured as parking sharing a building with a permanent workshop area, 24x36 is judged on whether the 1 work-and-park bay it holds match the operation, and on whether the 11 feet of spare width leaves the route this mode depends on.
- Does the work need one generous vehicle lane plus a walking route that does not brush the sidewall, or does it need a second lane that this 24-foot span cannot give?
- Is the 36-foot length being bought for depth, or for the repeated bays — two or three divisions, enough grain to place a partition but not to dedicate a bay?
- How many vehicle openings, and on which wall?
- What is the tallest vehicle that has to fit, measured with racks or a raised tailgate?
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 864 square feet divides at 24x36
Computed work-and-park bay fit for a 24x36 metal garage
| Measure | Computed at this footprint |
|---|---|
| Work-and-park bays across the 24-foot width | 1 at a 13-foot module |
| Leftover width | 11 ft (396 sq ft as a full-length strip) |
| Rows along the 36-foot length | 1 at a 24-foot module after 6 ft of circulation |
| Leftover depth | 6 ft (144 sq ft across the width) |
| Total work-and-park bays | 1 |
| Share of floor committed | 36% |
Module footprint used here is 13 by 24 feet, this platform's planning module for a metal garage. It is not a code minimum or an engineered clearance.
Example allocation of the 36-foot length — planning model, not survey data
| Zone | Length along the building | Computed area |
|---|---|---|
| Parking bays | 25.9 ft | 622 sq ft |
| Walk-around and door swing | 6.5 ft | 156 sq ft |
| Tools and seasonal storage | 3.6 ft | 86 sq ft |
Shares applied to the stored 36-foot length; areas computed against the 24-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.
Height
Interior height for a 24x36 metal garage
Span drives headroom at 24x36: 24 feet of width on a 4:12 pitch puts 16 feet over the middle and 12 feet at the walls, so where a tall item stands matters as much as how tall it is. Judge the plan by what has to happen on the worst day of the year, not on an average one.
Height above the bench is worth more here than height above the vehicle, because that is where lighting, extraction and overhead storage go.
Insulation is a later decision for most buyers here, which is why it is worth knowing what it depends on before ordering.
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.
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a metal garage
| Footprint | Floor area | Work-and-park bays |
|---|---|---|
| 10x10 | 100 sq ft | 0 (0 x 0) |
| 10x12 | 120 sq ft | 0 (0 x 0) |
| 12x16 | 192 sq ft | 0 (1 x 0) |
| 10x20 | 200 sq ft | 0 (0 x 0) |
| 12x20 | 240 sq ft | 0 (1 x 0) |
Areas computed from each stored size record; work-and-park bay counts computed with the same 13 by 24 foot planning module.
- 10x10 moves the count from 1 to 0 work-and-park bays (0 across by 0 deep), which is the reason to choose between them.
- 10x12 moves the count from 1 to 0 work-and-park bays (0 across by 0 deep), which is the reason to choose between them.
- 12x16 moves the count from 1 to 0 work-and-park bays (1 across by 0 deep), which is the reason to choose between them.
Nearby footprints read for a metal garage: exact change in area and in planning work-and-park bays
| Footprint | Area Δ | % Δ | Work-and-park bays at that footprint | What changes for this use |
|---|---|---|---|---|
| 30x30 | +36 sq ft | +4.2% | 2 (2 x 1) | +1 work-and-park bay on the same planning module. |
| 20x40 | −64 sq ft | −7.4% | 1 (1 x 1) | Same work-and-park bay count on this planning module; the difference is circulation and stored depth, not capacity. |
| 24x40 | +96 sq ft | +11.1% | 2 (2 x 1) | +1 work-and-park bay on the same planning module. |
| 24x30 | −144 sq ft | −16.7% | 1 (1 x 1) | Same work-and-park bay count on this planning module; the difference is circulation and stored depth, not capacity. |
Areas are arithmetic on two stored size records; work-and-park bay counts use this platform's 13 by 24 foot planning module and are not a capacity statement.
Because this footprint is planned as parking sharing a building with a permanent workshop area, the useful next reads are different from the ones a differently shaped metal garage suggests: garage workshop combination, permanent bench run, parking and work zones.
Visualization
Reading the 24x36 footprint as a metal garage
FAQ
Questions about 24x36 metal garage projects
Take 2 ft off each wall as a working strip and the plan area drops from 864 to about 640 sq ft across 20 by 32 ft. Against that, 1 by 1 work-and-park bays occupy 312 sq ft and roughly 64% of the footprint stays as movement and margin. That circulation share is the number worth arguing about; the headline area is not.
The 24-ft gable takes an opening of about 16 ft clear after corner framing — 1 module-width opening. The 36-ft sidewall takes up to 1 spaced with piers, and those piers sit naturally on the 3-bay grid at 12 ft. Openings are planning geometry here; the sizes a specific building can actually carry come from the manufacturer's engineering for that frame.
One more bay at 12 ft adds 288 sq ft, 33.3% more floor, and keeps the clean division. It buys depth, not span: if the constraint is fitting things side by side, extra length does not solve it.
The honest growth path is length, and the honest question is whether a workshop or storage use is coming that changes the specification Practically, the 36-foot dimension is the one that extends; the 24-foot span is fixed once the frames are set.
Reserving 6 ft across the 24 ft dimension for movement leaves 18 ft of working width, which takes 1 work-and-park bays at 13 ft. Along 36 ft it takes 1 runs at 24 ft. That is 1 positions out of 864 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on does the workshop survive the vehicle being parked, or does one displace the other. These are planning figures computed from the footprint, not a quoted layout.
Not enough for a planned room at this footprint: there is no permanent bench run, so the workshop is set up and packed away around the parking and gradually stops happening.
Against the wall the vehicle doors do not swing toward, with its own light and power. Placing it behind the parking position makes it the first thing to be blocked.
It depends on the tallest vehicle expected inside, which is the figure most often underestimated at quote stage. The stored configuration computes to 16 feet at the ridge, but the eave is the number that governs anything standing near a wall.
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.
- Work-and-park bay fit: Counts, leftover strips and per-module areas are computed from the stored 24x36 record against this platform's 13 by 24 foot planning module for the metal garage category, with 6 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 vehicle shelter and parking and are applied arithmetically to the stored 36-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 24x36 metal garage configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.




