About Us
Our Mission
Stonarq is dedicated to giving DIY homeowners and small contractors accurate, easy-to-use building material calculators and cost estimates. We believe everyone should be able to plan a project with confidence — without wasted material or budget overruns.
What We Offer
Precise Calculators
Covering crushed stone, concrete, asphalt, mulch, topsoil, and more — automatically computing the quantities you need with a reasonable waste allowance built in.
Cost Estimates
Based on national price ranges, we provide reference cost brackets for your project to help you plan your budget more effectively.
Practical Guides
Detailed how-to guides and industry knowledge articles that help you understand material properties, construction techniques, and best practices.
Why Choose Stonarq
- Completely free to use — no sign-up required
- Built on industry-standard calculation formulas
- Clean, intuitive user interface
- Suitable for projects of any size
- Continuously updated and improved
Important Notice
All estimates provided by Stonarq are for planning reference only and do not constitute professional engineering advice. For load-bearing structures, foundation work, and other critical projects, always consult a licensed professional. Material quantities and costs can vary by region, season, and supplier — get local quotes before purchasing.
Contact Us
If you have any questions, suggestions, or feedback, we'd love to hear from you: