Choosing numerals or words
Numbers as numerals are generally easier for people to scan. Numbers as words remain a convention that people expect in some types of content.
Use numerals for 2 and above in text
In text, the general rule is:
- Use numerals for ‘2’ and above.
- Write the numbers ‘zero’ and ‘one’ in words.
Follow the same rule for writing numbers in headings and subheadings. Apply exceptions to this general rule in specific situations, explained on this page.
The numbers ‘0’ and ‘1’ are difficult for some users to read. Some typefaces make it difficult to see the difference between: