Contact Us

We would love to hear from you. Whether you have a question about a specific paper size, found an error, or would like to suggest an improvement, please reach out.

Email

contact@a4size.uk

We aim to respond to all inquiries within 2 business days.

Report an Error

If you believe a paper size dimension on our site is incorrect, please email us with:

The paper size name (e.g., A4, Letter, B0)
The dimension you believe is wrong
The correct dimension and your source (official standard, manufacturer, etc.)

Accuracy is our priority — we investigate every report.

Advertising

For advertising inquiries, please email ads@a4size.uk.

Press & Media

For press inquiries or media requests, please email press@a4size.uk.

Response Time

We typically respond within 2 business days (Monday–Friday, excluding holidays).