Contact us
We would like to hear from you, especially if you have found a mistake.
[add your contact email in site.config.json]
Who you are writing to
[add your business name in site.config.json]
[add your postal address in site.config.json]
What to write to us about
- A calculation that looks wrong: use the error report form so we have the inputs and the result.
- A suggestion for a new calculator or an improvement.
- A privacy request, such as asking us to delete a feedback message you sent. See our privacy policy.
- Anything else about the site.
Please do not send bank details, passwords or identity numbers. We will never ask for them. We read every message and reply as soon as we can. We cannot give personal financial, tax or legal advice.