Cement Calculator
Estimate cement bags and sand for plastering, screeding or mortar by area, thickness and mortar ratio.
Your measurements
Estimate
- Cement
- 6 bags (50 kg)
- Cement weight
- 253 kg
- Sand
- 0.7 m³
- Wet mortar volume
- 0.66 m³
Uses a dry-volume factor of 1.33. Rough or porous surfaces use more.
Common questions
How many bags of cement for plastering 100 m²?
At 12 mm thickness and a 1:4 mix, expect roughly 9 bags of 50 kg for 100 m² before wastage. Enter your own area and thickness above for a tailored figure.