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Stop Guessing. Start Building with Real Screen Specs.

Clarify is the simplest tool to turn complex display specs into clear layout numbers. One click to calculate REM, PPI, and Viewports.

#1 SCREEN SIZE CALCULATORBEST REM TO PX CONVERTERPIXEL DENSITY HELPERTAILWIND SPACING SCALEASPECT RATIO SIMPLIFIER

Essential Design Utilities

Everything you need to ship responsive designs with confidence. No math required.

Turn diagonal inches, resolution and device pixel ratio into real viewport sizes and layout guidance.

Convert physical pixels and device pixel ratio into CSS viewport width and height with clear examples.

Calculate pixels per inch, pixels per centimetre and physical size for interface and print work.

Turn platform insets into safe area aware padding snippets with env variables and sensible fallbacks.

Convert rem values to pixels and generate a simple type scale based on your base font size.

Simplify ratios, match target sizes and work with common aspect ratios for components and layouts.

Short, actionable guides that stay close to code and numbers.

A practical guide to pixels per inch for designing crisp interfaces and knowing when density matters.

Understand how CSS viewports work, how DPR fits in and how to make layout decisions with confidence.

Learn how notches, home indicators and insets affect your layout and how to handle them with CSS.

Decide breakpoint sets based on actual devices, content and layout goals, not guesswork.

We don't use arbitrary breakpoints. Our tools are built from physical screen specs from Apple, Samsung, and Google.

Copy-paste direct CSS snippets. No more math or manual conversion between REM and PX values.

Ultra-lightweight, 100% free, and no login required. Instant access to layout clarity whenever you need it.

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