Cookies on ons.gov.uk

Cookies are small files stored on your device when you visit a website. We use some essential cookies to make this website work.

We would like to set additional cookies to remember your settings and understand how you use the site. This helps us to improve our services.

View cookies

You have accepted all additional cookies. You have rejected all additional cookies. You can change your cookie preferences at any time.

Skip to main content

Numbers

Everything you need to know about how to write and format numbers in your content.

This section includes guidance on when to use numerals, how to write about age and effective rounding. It also includes detailed guidance on dates and time, measurements and percentages.

If you need further help, or have any questions, you can email content.design@ons.gov.uk (opens in a new tab)