Rufos (m lineares)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The rufos (m lineares) calculator is a useful tool for construction professionals. It helps to calculate the number of rufos needed for a roof, considering the perimeter of the roof and a 5% increase.
The formula used by the calculator is simple and direct: perimeter of the roof + 5%. This means you will need to measure the perimeter of the roof and add 5% of the value to get the number of rufos needed.
This calculator is especially useful in construction projects where it is necessary to calculate the roofing material with precision. It also helps to avoid errors and save time and resources.
Remember that the rufos calculator is a supporting tool and that the accuracy of the calculations depends on the accuracy of the provided measurements.
Frequently asked questions
What is a rufo?
A rufo is a piece of wood (or other material) used to unite the tiles of a roof. It is essential to calculate the correct number of rufos to avoid problems of instability or safety.
Why is it necessary to add 5% to the perimeter of the roof?
The 5% increase is necessary to compensate for possible irregularities or deviations of the roof perimeter, ensuring that there are enough rufos to cover all areas.
Can I use this calculator for other types of roofs?
Yes, the calculator can be used for other types of roofs, as long as the perimeter is measured correctly. However, it is essential to consider the specifics of the roof and adjust the calculations accordingly.
I have doubts about the accuracy of the calculations?
If you have any doubts about the accuracy of the calculations, it is recommended to consult a construction professional or review the provided measurements to ensure accuracy.
Can I share this calculator with others?
Yes, it is possible to share the calculator with others, as long as it is done responsibly and with proper credit to the source.