Contact
We are a small team and we read everything. The fastest route to a useful reply is to tell us exactly which calculator you were on and what your inputs were.
Last updated 2026-08-20
For bug reports, formula corrections and partnership enquiries, email [email protected]. Replies usually arrive within a few business days.
Include the calculator slug (the last part of the URL) and the inputs you used. Screenshots help if the layout looks wrong.
Corrections
If a formula or default value looks wrong, please send a worked reference. We will check it against the cited source and roll out a fix in the next release. Every change is reflected in the “Updated” date on the affected tool.
Press and partnerships
For media enquiries and partnership opportunities, use the same address with “Press:” in the subject line. We do not accept paid placements that would compromise the order of comparison tools or the wording of editorial guides.