Get in Touch
Questions, bug reports, feature ideas, or just want to say hello -- my inbox is open.
Send me an email
I'm always happy to hear from people using the site. Whether you found a bug, have a suggestion, or just want to say hello -- reach out directly.
[email protected]I try to respond within a few days. This is a side project, so please forgive slight delays.
Good reasons to get in touch
Bug reports
If a calculation seems off, or the site breaks on your device, let me know. Include your browser and device info if possible.
Feature requests
Is there a percentage calculation you do every day that is not covered here? Tell me about it.
Typo spotting
Found a grammatical error or a formula that looks wrong? I would love to fix it.
General feedback
If the site saved you time or helped you understand percentage math, that is always great to hear.