CSS Clamp Generator

Generate responsive CSS clamp() values for type, spacing, and layout with real viewport ranges instead of hand-calculating the math.

Min viewport (px)

Max viewport (px)

Min size (px)

Max size (px)

Root font size for rem output (px)

The preview uses the pixel formula so you can see the fluid scaling immediately.

Slope

0vw

Intercept

0px

Range

0px

Clamp in px

Clamp in rem

Ready-to-copy CSS

Live preview

Fluid type that settles exactly where you want it.

CSS Clamp Generator

Generate responsive CSS clamp() values for type, spacing, and layout with real viewport ranges instead of hand-calculating the math.

Create fluid type scales between mobile and desktop breakpoints.

Set responsive padding, gaps, and margins without extra media queries.

Copy the finished clamp() line straight into a component stylesheet.

Typical workflow Enter the small and large values you want, define the viewport range, then copy the resulting clamp() declaration.