Get in touch

We'd love to hear from you.

Bug reports, calculator suggestions, partnership inquiries β€” we read everything and reply within a few business days.

General & feedback

Questions about the calculator, content suggestions, or just want to say hi?

Partnerships & press

Collaboration ideas, guest contributions, or media inquiries.

Or send a quick message

Prefer not to leave the page? Fill this out and we'll get back to you at the email you provide.

Frequently asked

Will you reply to every email? We try to. Volume permitting, expect a reply within 2–3 business days.

I want to write a guest post. Great. Pitch us at [email protected] with your topic, outline, and writing sample.

How do I report a calculator bug? Use the form above with topic "Found a bug" and include your wake time, age group, energy level, and which factors you toggled. The more detail, the faster we can reproduce.

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