Contact us
We read every message. If you found a bug, have a calculator suggestion, or want to report an outdated density or price, let us know below.
The fastest way to reach us is by email:
contact@dirtmath.comPlease allow up to two business days for a response.
Common requests
- Corrections: include the page URL and the value you think is wrong.
- New calculators: tell us the material and the typical unit it is sold in (bags, cubic yards, tons, pallets, etc.).
- Advertising: we use Google AdSense for display ads. We do not sell leads or contact lists.
DirtMath is an independent site. We are not affiliated with any landscape supplier, quarry, or home-improvement retailer.