CSS Clamp Calculator:
Generate Fluid Typography | Free Tool

CSS Clamp Calculator: Generate Fluid Typography in Seconds

The CSS clamp() function revolutionized responsive design by eliminating the need for media queries. Instead of creating separate styles for different screen sizes, you can now use a single, elegant CSS function to scale fonts, spacing, and other properties fluidly across any viewport

What is CSS clamp()?

CSS clamp() is a mathematical function that takes three parameters: a minimum value, a preferred value, and a maximum value. As the viewport changes, the property automatically scales between your minimum and maximum values—making responsive design more maintainable and elegant.

Clamp Generator

Generate fluid clamp() values — enter min & max sizes and get real-time output.

Root Font Size

Viewport Settings

Min Viewport

Max Viewport

Input Unit

Min Value at min viewport

rem

→

Max Value at max viewport

rem

CSS Property (optional)

Generated clamp()

Enter min and max values above…

Saved Presets

No presets saved yet.

Reference Clamp Values

Best-practice fluid sizes — 400px → 1280px, 16px root. Click any row to copy.

Typography — Font Sizes

Element	Min → Max	clamp() value

Border Radius

Element	Min → Max	clamp() value

Spacing — Section Padding

Name	Min → Max	clamp() value