Suggest an editImprove this articleRefine the answer for “What units of measurement can be used for font size?”. Your changes go to moderation before they’re published.Approval requiredContentWhat you’re changing🇺🇸EN🇺🇦UAPreviewTitle (EN)Short answer (EN)**For `font-size`**, you can use relative units (`em`, `rem`, `%`, `vw`, `vh`, `vmin`, `vmax`) and absolute ones (`px`, `pt`, `pc`, `in`, `cm`, `mm`). **Key point:** in practice, `px`, `em`, `rem`, and `%` are used most often.Shown above the full answer for quick recall.Answer (EN)ImageFor `font-size`, you can use relative and absolute units. **Relative:** - `em`, relative to the parent's font size - `rem`, relative to the root element's font size (`html`) - `%`, a percentage of the parent's font size - `vw`, `vh`, a fraction of the browser window's width or height - `vmin`, `vmax`, a fraction of the window's smaller/larger side **Absolute:** - `px`, pixels - `pt`, typographic points - `pc`, picas - `in`, inches - `cm`, centimeters - `mm`, millimeters In practice, `px`, `em`, `rem`, and `%` are used most often.For the reviewerNote to the moderator (optional)Visible only to the moderator. Helps review go faster.