Fluid Typography CSS clamp() Formula Generator

Eliminate abrupt media query jumps by smoothly scaling font sizes between mobile and desktop viewports.

Step by step

  1. 1

    Define Font Range

    Enter minimum font size (e.g. 16px) and maximum font size (e.g. 32px).

  2. 2

    Set Viewport Bounds

    Specify the lower viewport limit (e.g. 375px) and upper viewport limit (e.g. 1440px).

  3. 3

    Copy clamp() Code

    Click the copy button to grab your generated CSS clamp() snippet.

Linear Viewport Scaling

Calculates the exact slope and y-intercept in rem and vw to linearly interpolate font size as the browser resizes.

Clean Production CSS

Outputs clean, one-line CSS statements ready to copy straight into your Tailwind config or stylesheets.

Guides by situation

CSS clamp() calculator →

Frequently asked

Is CSS clamp supported in all modern browsers?

Yes, CSS clamp() enjoys universal support across all major modern web browsers.

Why use rem instead of pure pixels?

Combining rem with vw respects user accessibility font zoom settings while scaling dynamically.