Contact Us
We’d love to hear from you.
Got a suggestion for a new calculator? Found a bug? Or just want to say hello? Use the form below, or email us directly. Every message gets read.
Send Us a Message
Where this goes: the form emails your message straight to us, along with the page you were on.
Name and email are optional and only used to write back. Nothing here joins a mailing list.
The Privacy Policy spells it out.
Or Email Us Directly
Response Time
We aim to respond within 48 hours.
Bug reports are prioritized.
Other Resources
- About Us, how the calculators get built and checked
- Privacy Policy, what happens to anything you type here
- Terms of Use, the usage terms