Contact us

Have a question about a calculator or spotted something that needs correcting?

Reporting a calculation issue

Include the page address, the result you expected and a simple example. A link to the relevant official rule or fee table helps us check the issue. Do not send identity documents, bank statements, tax returns or account numbers.

Privacy and accessibility

Use the same email address for privacy requests or accessibility feedback. For an accessibility issue, include the page address, your browser and the step where you had difficulty.