FAQ

Frequently asked questions

Are the calculators free?

Yes. The calculators are free to use and do not require an account.

Are the results exact?

They are planning estimates. Actual quantities depend on product coverage, density, packaging and site conditions.

Should I add extra material?

For many projects, a reasonable allowance is helpful. The correct amount depends on the material and project complexity.

Can I use the results for structural work?

No. Structural and safety-critical decisions should be verified by a qualified professional.