How much asphalt you need
Change area and compacted thickness to material mass.
Your numbers
Material plus extra allowance
Planning estimate from your measurements and assumptions. Confirm dimensions, product coverage and local installation requirements before you buy.
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Formula
Use M = Adρ(1+w). A na area for m², d na compacted thickness after you convert am to m, ρ na density for kg/m³, and w na waste fraction. M na kilograms before conversion to tonnes.
Change area and compacted thickness to material mass.
Example wey show the calculation
- Area wey need covering (m²)
- 20
- Thickness after compaction (cm)
- 5
- Density after compaction (kg/m³)
- 2400
- Allowance for waste (%)
- 10
- Material plus extra allowance
- 2.64 metric tonnes
Where e fit work and limits
Planning estimate from your measurements and assumptions. Confirm dimensions, product coverage and local installation requirements before you buy.
We check inputs for missing values and allowed ranges. Result wey pass the finite numeric range no go show. Rounding affect wetin display, while calculation use the model numeric precision.
Check your units and assumptions before you rely on result. Changing label no convert currency or physical unit.
Version of di formula: 991ffe79f84a · Example don get check: