The History of Aspect Ratios: From 4:3 Film to 16:9 Screens (and Beyond)
TL;DR: The history of aspect ratios begins with early 35mm film at ~1.33:1, shifts to 1.37:1 Academy with optical sound, explodes into widescreen in the 1950s (1.66, 1.85, 2.35→2.39), moves TV from 4:3 to 16:9 via a clever geometric compromise, and today spans everything from IMAX’s tall 1.43:1 to vertical 9:16 on phones—with streaming’s 2.00:1 […]
Aspect Ratio Guide 2025: Complete Cheat Sheet for Video, Social, Web & Print
Choosing the right aspect ratio can make or break your visuals. This 2025 guide gives you platform-accurate sizes, device norms, export tips, and copy-paste CSS. For instant math, use our free Aspect Ratio Calculator. 2025 Quick Reference (Social & Video) Save this table: best-practice ratios and starter dimensions that work across platforms this year. Platform […]
How to Convert Aspect Ratio Video Without Losing Quality (2025)
Need to repurpose widescreen footage for TikTok, Instagram Reels, or YouTube Shorts? This guide shows the safest ways to convert aspect ratio of a video—crop, pad, or smart reframe—so faces don’t stretch, edges stay sharp, and your export passes platform checks. TL;DR – Quick Wins Three methods: Crop (clean look), Pad (no content loss), Smart […]
What Is Aspect Ratio? Definition, Formula & Real-World Examples (2025)
If you’ve wondered what is aspect ratio and why it matters for images, video, and web design, this guide explains the concept in plain English, shows the exact formula, includes step-by-step examples, a handy chart, CSS tips, and a free on-page calculator. 16:9A quick visual: aspect ratio is the shape (width : height), not the […]
How to Calculate Aspect Ratio (Step-by-Step + Examples)
Need the answer fast? The aspect ratio is simply width ÷ height reduced to the smallest whole-number form W:H. Example: 1920×1080 → 16:9 using the GCD method. This guide shows every method—pixels, inches/cm, decimals, and even from a diagonal—plus a quick calculator and CSS tips. Use our free Aspect Ratio Calculator to get instant results, […]