Calculate garage square footage, floor area, wall area, ceiling area, usable storage area, concrete slab volume, paint area, epoxy coating, drywall, openings, and project cost.
Single garage mode:
The calculator multiplies garage length by garage width to calculate floor area, then estimates walls, ceiling, slab volume, coatings, and cost.
Multiple bays mode:
The calculator multiplies one garage bay area by the number of same-size bays or garage sections.
Known area mode:
The calculator starts from your known garage square footage and estimates materials using your wall height and project settings.
Walls and ceiling mode:
The calculator emphasizes wall and ceiling square footage for paint, drywall, insulation, and finishing projects.
A garage area calculator helps estimate square footage for garage floors, concrete slabs, epoxy coating, paint, drywall, ceiling work, storage planning, and remodel projects.
It can help calculate floor area, usable area, wall area, ceiling area, opening deductions, paint gallons, floor coating kits, drywall sheets, concrete volume, and estimated project cost.
Your result shows garage floor area, usable area, wall area, ceiling area, opening area, paintable wall area, area with waste, concrete slab volume, paint gallons, floor coating kits, drywall sheets, and estimated cost.
Multiply garage length by garage width. For example, a 24 foot by 22 foot garage has 528 square feet of floor area.
Add the garage length and width, multiply by 2 to get the perimeter, then multiply by wall height. Subtract garage doors, entry doors, and windows if needed.
Use the garage floor area with waste, then divide by the coverage per kit. The calculator rounds up to the next whole kit.
Multiply floor area by slab thickness. Convert the result from cubic feet to cubic yards by dividing by 27.
No. It is an estimate. Actual materials can vary by garage shape, slopes, openings, wall layout, ceiling height, slab thickness, waste, coating coverage, and installation method.