FREE · CALCULATORS & CONVERTERS
Plaster Calculator.
Estimate plaster or render area, volume, mass and bags from the room, the coat thickness and the bag weight.
Openings share one size and come off the walls. Bags round up. Density and thickness are the values you enter. Local arithmetic only. This is a quantity or geometry estimate, not a code check and not a substitute for a licensed professional.
- Area
- 40 m²
- Volume
- 0.42 m³
- Mass
- 630 kg
- Bags
- 26
Volume is the net area times the coat thickness and the waste percent. Bags round up from the mass and the bag weight. Density is the value you enter.
How to use Plaster Calculator
Enter the room, one repeated opening, the coat thickness and the density. Include the ceiling only if you coat it.
How it works
Estimate plaster or render area, volume, mass and bags from the room, the coat thickness and the bag weight. Openings share one size and come off the walls. Bags round up. Density and thickness are the values you enter. Local arithmetic only. This is a quantity or geometry estimate, not a code check and not a substitute for a licensed professional.
Example
A 5 m × 3 m × 2.5 m room with a 10 mm coat at 1,500 kg/m³.
Questions about Plaster Calculator
Is Plaster Calculator free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Openings share one size and come off the walls. Bags round up. Density and thickness are the values you enter. Local arithmetic only. This is a quantity or geometry estimate, not a code check and not a substitute for a licensed professional. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.