CSS Clamp & Fluid Typography Calculator
Create perfectly scalable fluid typography, padding, and container widths using modern CSS clamp(). Eliminate dozens of rigid media queries with a smooth mathematical linear interpolation between mobile (e.g. 360px) and desktop (e.g. 1440px) viewports. Features live interactive viewport simulation slider, Tailwind CSS arbitrary classes, and CSS custom property tokens. 100% private in-browser.
Loading CSS clamp engine...
How to Calculate CSS Clamp in 3 Steps
Set Viewport Boundaries
Specify your minimum (mobile) and maximum (desktop) viewport widths in pixels.
Set Min & Max Sizes
Define the smallest and largest target font sizes or padding dimensions.
Test & Copy Clamp Code
Use the live viewport simulator slider to inspect real-time scaling and copy Pure CSS or Tailwind classes.
Frequently Asked Questions
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