Construction Calculator
Bitumen Calculator
Estimate bitumen quantity for prime coat, tack coat, spray seal, waterproofing layers, and asphalt mix projects.
Length (m) slider
1500
Width (m) slider
1100
Application Rate (L/m2) slider
0.13
Number of Coats slider
16
Bitumen Density (kg/L) slider
0.91.2
Waste Allowance (%) slider
025
Drum Size (L) slider
201,000
Bitumen Quantity Calculation
Use this estimate for road construction, bitumen primer application, tack coat spraying, seal coat work, and asphalt mix binder quantity. Always confirm project rates against the specification.
| Application | Typical Rate | Use |
|---|---|---|
| Tack coat | 0.3-0.6 L/m2 | Bonding asphalt layers |
| Prime coat | 0.5-1.5 L/m2 | Preparing granular base |
| Single spray seal | 0.8-1.4 L/m2 | Surface sealing |
| Double spray seal | 1.2-2.0 L/m2 | Heavier seal coat work |
Bitumen Formula
Spray application: bitumen quantity = area x application rate x number of coats x waste factor.
Asphalt mix: bitumen required = area x thickness x asphalt density x bitumen content percentage.
Planning note: surface condition, absorption, temperature, product grade, and project specification can change the final quantity.