Get in Touch
Have questions about Rock Calculator? We’d love to hear from you. Reach out and we’ll respond as fast as we can.
Send us a Message
Response Time
Follow Us
Frequently Asked Questions
Find answers to common questions about Rock Calculator
Is Rock Calculator free to use?
Yes! Rock Calculator is completely free to use. No sign-up required, no hidden fees. Just enter your measurements and get instant results.
How accurate are the calculations?
Our calculations are based on verified material densities, professional compaction standards, and real-world testing. Accuracy is typically 98-100% when measurements are correct.
Can I use the calculator on my phone?
Absolutely! Rock Calculator is fully mobile-friendly. You can calculate on-site at your project location using your smartphone or tablet.
What rock types does the calculator support?
We support 15+ material types including pea gravel, river rock, crushed stone, decomposed granite, limestone, lava rock, marble chips, and more. Each with accurate density data.
How do I report a bug or request a feature?
We’d love to hear your feedback! Use the contact form above, email us, or chat with our support team. We review all suggestions and implement features regularly.
Ready to Calculate?
Get started with Rock Calculator and stop guessing on material quantities.
Use Calculator Now →