Frequently Asked Questions

Q: Can I link from my website to a calculator on
A: Yes, you can link to any page on

Q: How should I send suggestions or report problems?
A: We appreciate any suggestions and bug reporting.
Please e-mail us at
If it involves a calculator, please include the URL of the calculator and the parameters you used.

Q: Do you have an API to the calculators?
A: No, we do not have an API available.

Q: How can I advertise on
A: Please use Google Adwords managed placements.