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Line Height & Typography Scale Calculator
Type scale.
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About Line Height & Typography Scale Calculator
Build a modular type scale from base size and ratio with line heights.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Type Scale on Wikipedia. More: all developer tools.
Frequently Asked Questions about Line Height & Typography Scale Calculator
How do I use the Line Height & Typography Scale Calculator?
Open the Line Height & Typography Scale Calculator and use the controls in the workspace below: type scale. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the Line Height & Typography Scale Calculator free?
Yes. The Line Height & Typography Scale Calculator is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the Line Height & Typography Scale Calculator store or share my data?
No. The Line Height & Typography Scale Calculator runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the Line Height & Typography Scale Calculator for?
Build a modular type scale from base size and ratio with line heights. You will find it grouped under Developer Tools together with 78 other free tools on the PrimeFreeTools homepage.
Related Articles & Guides
Sep 12, 2026
Type Scale: Sizes That Hold Together Instead of One-off Font Sizes
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