Landscaping
Landscape Fabric Calculator
Estimate how many rolls of landscape fabric you need to cover a bed. Coverage, rolls, and cost.
Inputs
Live estimate
Rolls needed
2
- Area
- 500 sq ft
- Coverage (with waste)
- 550 sq ft
- Fabric cost
- $193
- Total cost
- $193
Diagram
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How it's calculated
Area is derived from your shape inputs.
Coverage needed = area × (1 + waste %).
Cost = coverage × price per sq ft + delivery.
Rolls = ceil(coverage ÷ 300 sq ft per roll).
Professional guidance
When to use landscape fabric
Under decorative rock, gravel paths, and low-maintenance beds. Skip it in perennial beds where you'll dig regularly.
Recommended overlap
Overlap edges by 6 inches and pin every 12 inches with landscape staples.
Pro tip
Woven fabric goes under rock; heavier non-woven goes under gravel driveways. Skip the cheap perforated plastic — it fails in a season.
Common mistakes
Putting fabric under mulch in planting beds. Mulch breaks down into soil and grows weeds on top of the fabric.
Material assumptions
- Standard rolls: 3 ft × 100 ft (300 sq ft) or 4 ft × 50 ft (200 sq ft).
- Overlap seams by 6 inches — the extra coverage is why waste is 10%+.
- Woven fabric lasts longer than non-woven under rock.
Frequently asked questions
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These results are estimates only. Confirm quantities, compaction, waste, and delivery requirements with your supplier or project professional before ordering materials.