How to use
Calculate lawn area including waste and whole sod rolls from lawn area and roll coverage.
- Enter Lawn area (m²).
- Enter Coverage per roll (m²).
- Enter Waste (%).
- Calculate, then review the assumptions before purchasing.
How it is calculated
Example
A 150 m² lawn with 5% waste and 0.8 m² per roll requires 197 rolls.
Important notes
Irregular shapes and cuts around paths increase waste. Split the lawn into simple shapes, sum their areas and use actual roll coverage from the supplier.
Worked examples and interpreting results
A 150 m² lawn with 5% waste and 0.8 m² per roll requires 197 rolls.
| Case | Calculation | Result |
|---|---|---|
| Required area | 150 × 1.05 | 157.5 m² |
| Rolls | ceil(157.5 ÷ 0.8) | 197 |
How to check the result
Irregular shapes and cuts around paths increase waste. Split the lawn into simple shapes, sum their areas and use actual roll coverage from the supplier.
Frequently asked questions
How do I measure an irregular lawn?
Split it into approximate rectangles, triangles or circles, calculate each area and enter the total.
Should I include waste?
Include an allowance when cuts, breakage or layout losses are expected. Use a percentage that fits your project rather than assuming one fixed rate.
Do the units need to match?
Yes. The calculator assumes the units stated beside each field, so convert measurements first when your source uses different units.