How to use this calculator
Enter measured dimensions, check the unit system and select Calculate. Add a reasonable waste allowance where the material requires cuts or matching.
Formula and method
Enter the project dimensions and material parameters. Structra calculates the required quantities in the selected unit system and includes the specified waste allowance.
Frequently asked questions
How do I use the hip roof calculator?
Enter the measured dimensions and material parameters, then select Calculate. The result appears immediately.
Should I include waste allowance?
Include an allowance when the material involves cuts, breakage or pattern matching. Follow the manufacturer guidance for the final purchase.
Can I save the result?
Yes. Save the calculation to a local Structra project or add it to the shopping list without registration.
Is the estimate exact?
It is a planning estimate. Verify measurements, product specifications and local requirements before purchase or construction.
