Turf Roll Calculator
This is an area model for grass rolls using your stated roll coverage and waste allowance; it does not plan cutting layouts.
| Result | Area (m²) | Waste allowance (%) | Coverage per roll (m²) | Base quantity (m²) | Waste quantity (m²) | Needed quantity (m²) | Exact quotient | Whole quantity | Available area (m²) | Surplus area (m²) |
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A QUICK WALKTHROUGH
How to use this tool
- Area (m²); Roll coverage (m²); Waste allowance (%)
- Compare areas / Compare waste allowances: Provide 1–20 scenarios including the primary input; each additional line must contain one number.
- Model; Copy report / Download TXT
Model
B = A × (1 + w/100); N = ceil(B/C); Q = N × C; S = Q − B. This is an area model for grass rolls using your stated roll coverage and waste allowance; it does not plan cutting layouts.
Comparison
Provide 1–20 scenarios including the primary input; each additional line must contain one number.
Model
Calculations stay in this browser. Reports show full numerical values and exact fractions; display rounding never determines whole quantities.
GOOD TO KNOW
Common questions
Comparison?
Provide 1–20 scenarios including the primary input; each additional line must contain one number.
Roll coverage (m²)?
This is an area model for grass rolls using your stated roll coverage and waste allowance; it does not plan cutting layouts.
Copy report / Download TXT?
Calculations stay in this browser. Reports show full numerical values and exact fractions; display rounding never determines whole quantities.