Help us improve the tools.

Report a bug or suggest an improvement

If a calculator is giving you the wrong result, a page is not loading properly, or you have an idea for a new reseller tool, send us an email.

What to include in a bug report

Please tell us which calculator or page you were using, the numbers you entered, what result you expected, and what happened instead. A screenshot is helpful if you can include one.

For privacy, please do not send passwords, payment details, or other sensitive personal information.