Contact

We welcome feedback, questions, and suggestions for improving our calculators and content.

Get in touch

We aim to respond to all messages within 2–3 business days. For calculator methodology questions, please reference the specific calculator page and the input values you are using.

Reporting errors

If you believe a calculator contains an error in its math or methodology, please email us with the calculator name, the inputs you used, the result you received, and what you believe the correct result should be. We take accuracy seriously and will investigate and correct any confirmed errors promptly.

Content corrections

If you find factual errors, outdated information, or misleading content in our guides, please let us know. Include the page URL and the specific claim you believe is incorrect.

Press and partnerships

For press inquiries or partnership discussions, use the same email address above.