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Have questions, feedback, or suggestions? We'd love to hear from you!

Frequently Asked Questions

Are your calculators really free?

Yes! All our calculators are 100% free to use with no registration or payment required.

How accurate are your calculators?

Our calculators use industry-standard formulas and best practices. However, actual material requirements may vary based on site conditions, material specifications, and local practices. Always consult with a professional for final estimates.

Can I use these calculators on my phone?

Absolutely! All our calculators are mobile-friendly and work on smartphones, tablets, and desktop computers.

Do you offer custom calculators?

We're always looking to add new calculators. If you have a suggestion, please contact us using the form above.