Question 1

What is CSS clamp() function?

Accepted Answer

CSS clamp() function allows you to set a value that scales between a minimum and maximum, perfect for responsive typography.

Question 2

How do I calculate the ideal values?

Accepted Answer

Input your minimum and maximum font sizes along with viewport widths. The calculator handles the complex math for you.

Question 3

When should I use clamp() instead of media queries?

Accepted Answer

Use clamp() for smooth, fluid scaling between viewport sizes. Media queries are better for abrupt changes at specific breakpoints or layout changes.

Question 4

What units can I use with clamp()?

Accepted Answer

You can use any CSS unit with clamp(): rem, em, px, vw, vh, %, etc. The calculator supports both px and rem units, automatically converting between them using the standard 16px base.

Question 5

How do I test my clamp() values?

Accepted Answer

Use browser developer tools to resize your viewport and see how the values scale. The live preview in this calculator shows how your text will look at different viewport sizes.

CSS Clamp Calculator

Values

Viewport

Result

Live Example

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