Contact Us

We'd love to hear from you. Whether you've found a bug, spotted an error in a calculation, have a feature idea, or want to discuss a partnership, get in touch.

Email

The best way to reach us is by email:

We read every message and aim to respond within a few business days.

What to include

• Feedback or corrections: tell us which page or calculator, and what you expected to see.
• Feature requests: describe the calculation or FIRE variant you'd like us to add.
• Partnerships & press: a short note about your site or organization and what you have in mind.

A note on financial questions

We're happy to explain how our calculators work, but we can't give personalized financial, investment, or tax advice — please see a qualified professional for that. See our Terms of Use for details.