CSS Clamp Font Size Calculator

Enter your desired minimum and maximum font sizes at their respective viewport widths to calculate the CSS clamp() value.

Minimum Font Size (px):

Min Viewport Width (px):

Maximum Font Size (px):

Max Viewport Width (px):

Calculated CSS clamp() value:

Click "Calculate" to see the result.

This calculator generates a clamp() value for fluid font sizing, ensuring it stays within your defined min/max limits while scaling responsively across different screen sizes.