Real human, real reply
Happy to hear from you.
Bug reports, calculator requests, or just a hello — pick a channel below and you'll usually get a reply within a couple of days.
Choose your contact method
Email support
The most reliable channel. Replies usually go out within 1-2 business days, often sooner. Bug reports and calculator requests get priority.
[email protected]Request a calculator
Need a tool that doesn't exist yet? Send the formula and the inputs you want — reader requests usually ship within two weeks.
Open the request formReport a bug
Found something off? Report it with as much detail as you can — screenshots are a huge help.
[email protected]Send a message.
Replies usually go out within 1-2 business days. Bug reports and calculator requests get priority.
Whatever you need,
there's a place for it.
Every message is read personally. Replies typically go out within 1-2 business days.
General support
Account issues, navigation help, and general questions about the platform.
Bug reports
Got an issue with any calculator? Let us know with the inputs and expected output.
Feature requests
Have a calculator in mind that doesn't exist yet? Reader requests shape the roadmap.
Partnerships & press
Media, integrations, API access, and co-marketing opportunities.
Security & privacy
Have a security concern or vulnerability to report? We take this seriously.
Just say hi
Found something useful? Spotted a typo? Want to nerd out about formulas? All welcome.
FAQ
Quick answers about getting in touch.
Can't find your question? Drop us a message through the form above.
Still have questions?
Easiest path: drop a quick email and you'll get a personal reply.
Not at the moment — everything goes through the contact form so each reply can be detailed and traceable. Expect a personal email back within 1-2 business days.
The fastest path is the Request a Calculator page or the contact form — messages land in the same inbox and reader requests directly shape the roadmap.
Use the form above or email [email protected]. We aim to respond to critical bugs affecting calculations within 2 hours.
Absolutely. Community-requested calculators ship within 14 days on average. Tell us the formula, the inputs, and the audience — we'll handle the rest.