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Contact us about calculator corrections, privacy requests, accessibility, partnerships, or general site feedback.

EMAIL

dev@evetrend.com

Email is the most reliable way to reach GravelCalc.

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What to include

  • The calculator or page you were using
  • The unit system and material selected
  • The measurements that produced an unexpected result
  • A supplier density or specification when reporting a conversion issue
  • The URL involved in a privacy, accessibility, or partnership request

Calculation support

We can explain how the website applies geometry, density, waste, and unit conversions. We cannot select a structural design, confirm local code compliance, or replace advice from an engineer, contractor, drainage specialist, or material supplier.

Privacy requests

For questions about cookies, analytics, or personal data, use the subject line “Privacy request.” Include only the information needed to understand the request. Do not send sensitive financial, medical, identity, or account information.