Contact

The fastest way to reach us is email. We read everything and respond when we can. Reasonable response time is a few days.

Found an error?

Tell us the calculator URL, what you searched for, what number you got, and what you expected. We will fix it and update the page.

Missing a conversion you use often? Let us know which one. Long-tail ingredient conversions are easy to add when we know the demand is real.

Anything you send is read by the person running the site. We do not use it for marketing, and we do not share it.