About this calculator
Bags of cement-based tile adhesive by area and trowel size.
How it’s calculated
Consumption per m²: about 3 kg with a 6 mm notch, 4.5 kg with 8 mm, 5.5 kg with 10 mm and 6.5 kg with 12 mm.
Worked example
With these inputs:
- Measure by
- Length × width
- Length
- 4.5 m
- Width
- 3.6 m
- Trowel notch
- 6 mm notch
- Back-butter tiles (+30%)
- No
- Waste allowance
- 10%
the result is:
- Adhesive needed
- 53 kg
Tips from the trade
- Choose the notch for the tile size: bigger tiles need bigger notches.
- Lift a tile now and then to check for full coverage.
Results are estimates for planning and pricing. Check quantities against your drawings, the manufacturer’s data and the NCC and Australian Standards before ordering.