10+
Video ratios
ready for common production, streaming, and social publishing workflows
Use Case · Video
Aspect Ratio Calculator for Video
Calculate exact dimensions for YouTube, TikTok, Instagram Reels, Shorts, and streaming platforms. Get the right ratio before you shoot, edit, or export, so every delivery format stays sharp and platform-safe.
16:9, 9:16, 1:1 workflowsResolution planningEmbed-safe CSS ratios
5
Major platforms
covered with practical presets and export-friendly guidance
Instant
CSS output
for responsive embeds, media placeholders, and promo landing pages
Calculate Video Dimensions
Use platform presets, then fine-tune the exact export size
Pick a delivery target, adjust width and height, and immediately see the resulting ratio, decimal, CSS percentage, and which platforms still match the current shape.
×
16:9
W 1920H 1080
- Ratio
- 16:9
- Decimal
- 1.778
- Percent
- 56.25%
- Nearest standard
- 16:9
Matches
YouTubeTikTokInstagramFacebookXLinkedInVimeoTwitch
Matching uses a tolerance of ±0.02 on the decimal ratio so slightly non-standard inputs still surface the closest platform targets.
Video Platform Specifications
Check ratio, resolution, frame rate, and upload limits before export
Click any row to push its recommended resolution back into the calculator above. This makes the table useful as both a publishing reference and a fast preset library.
Video Aspect Ratios Explained
Compare the formats you are most likely to ship
These are the ratios video teams work with most often when moving between streaming, social, advertising, and cinematic deliverables. Click any card to calculate from its typical resolution.
16:9
The universal widescreen standard
1920×1080
16:9 is the default ratio for modern video because it balances cinematic width with practical compatibility across TVs, laptops, streaming players, and embeds. Common outputs include 1280×720, 1920×1080, 2560×1440, and 3840×2160. If your project needs one master that can travel safely across desktop viewing environments, 16:9 is usually the correct starting point. It is also the easiest ratio to reuse for webinar recordings, product demos, tutorials, and marketing explainers.
YouTubeNetflixVimeoBroadcast
9:16
Vertical video for mobile-first platforms
1080×1920
9:16 is the inverted form of 16:9 and has become the dominant shape for mobile-native viewing. It fills the phone screen, reduces wasted space, and keeps swipe-based feeds immersive. Use it for TikTok, Shorts, Reels, and story-based formats. If you start from a horizontal source, plan your crop carefully and protect titles, faces, and product shots inside a vertical safe zone before exporting.
TikTokYouTube ShortsInstagram ReelsSnapchat
1:1
Square format for social feeds
1080×1080
Square video still matters because it occupies strong visual real estate in mixed social feeds while remaining easy to crop from larger masters. Common square exports include 1080×1080 and 720×720. It works well for talking-head clips, product demos, animated explainers, and simple paid social creatives where you need a balanced frame without committing fully to vertical video.
Instagram FeedFacebook FeedPromo loops
21:9
Cinematic ultrawide
2560×1080
21:9 creates an immersive panoramic frame that feels immediately more cinematic than standard widescreen. It is common in trailer edits, branded narrative work, motion-led hero films, and high-end campaign assets where atmosphere matters as much as information density. Because it is so wide, it is best used for controlled environments rather than general social distribution. Expect to produce alternate crops when the same project also needs mobile deliverables.
TrailersBrand filmsNarrative commercials
4:3
Legacy, conferencing, and archival formats
1440×1080
4:3 is no longer the default for mainstream publishing, but it remains relevant in conferencing, archival footage, retro aesthetics, and some documentary workflows. Because it is taller than 16:9, it can preserve more vertical information when reframing interviews or screen recordings. It is also a useful reference ratio when converting older material for modern platforms without stretching or distorting the original image.
ZoomTeamsArchival footageDocumentary inserts
Common Video Workflows
Build ratio decisions into production, editing, and export
Video ratio mistakes rarely happen at the last step. They usually begin when teams frame, animate, or export without aligning on destination formats early enough.
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Pre-Production Planning
Plan dimensions before you shoot
Locking your aspect ratio before production prevents expensive reshoots and layout revisions later in the pipeline. Whether you are framing for a 16:9 YouTube master or a 9:16 TikTok deliverable, the target ratio influences lens choice, composition, subtitle positioning, teleprompter framing, and how much headroom you need for motion graphics. A clear ratio decision at the planning stage also helps producers align creative, camera, and post-production teams around one safe framing strategy.
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Editing & Post-Production
Scale and reframe without quality loss
Editors rarely ship one format anymore. A single campaign may need a 16:9 master for YouTube, a 9:16 version for Reels and Shorts, a 4:5 cut for Instagram feed video, and square teaser snippets for paid social. This calculator helps you compare destination ratios, estimate crop-safe zones, and verify whether the timeline settings, overlays, and lower-thirds will survive reframing without clipping subjects or degrading sharpness.
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Platform Export & Delivery
Match platform specs on every export
Every platform applies its own compression, framing behavior, and upload validation. Delivering the wrong dimensions can trigger black bars, auto-cropping, blurred playback, or a rejected upload. The platform specification table below acts as a final export checklist before you render out of Premiere Pro, DaVinci Resolve, Final Cut Pro, or an automated transcoding pipeline. It is the fastest way to confirm that your ratio and resolution pair still match the intended channel.
How To
How to Choose the Right Video Aspect Ratio
Use this sequence whenever you need to pick a master format, create derivative crops, or validate exports for several platforms at once.
- 1
Identify your primary platform
Decide where the video will live before you commit to a framing strategy. YouTube and Vimeo expect 16:9, while TikTok, Reels, and Shorts reward 9:16. If the campaign spans several destinations, choose the highest-quality master format first and then plan derivative crops around it.
- 2
Check the platform's minimum resolution
Aspect ratio alone does not guarantee quality. A 16:9 video at 640×360 technically matches the shape, but it will look soft on modern displays. Use the platform table on this page to verify recommended and minimum resolutions before you export.
- 3
Calculate safe crop zones
Repurposing one master into several outputs means some image area will be lost. Use the calculator above to test destination dimensions and anticipate the crop. Keep logos, captions, faces, and CTA overlays away from the edges whenever a second ratio is planned.
- 4
Verify your export settings
Before rendering, confirm that your editor sequence, scaling mode, and export settings all match the target ratio and resolution. Mismatches here lead to letterboxing, pillarboxing, or stretched playback even when the source footage was framed correctly.
- 5
Test on mobile before publishing
A large share of total video consumption happens on phones, where interface chrome can cover titles and subtitles. Review your final export on an actual mobile screen to make sure text remains readable, subjects stay centered, and nothing important disappears beneath platform UI overlays.
Frequently Asked Questions
Video aspect ratio questions people actually ask
These answers are written for creators, editors, marketers, and in-house teams trying to ship the same video to several platforms without re-exporting blindly.
What aspect ratio should I use for YouTube videos?
YouTube recommends 16:9 for standard videos, which maps cleanly to 1280×720, 1920×1080, and 3840×2160. If you upload another shape, YouTube will add black bars to fit its player.
What aspect ratio is best for TikTok?
TikTok performs best with 9:16 vertical video at 1080×1920. The platform can accept square and landscape formats, but vertical content fills the device screen and typically wins more attention.
What is the aspect ratio for YouTube Shorts?
YouTube Shorts uses 9:16, the same core shape as TikTok and Instagram Reels. The standard export target is 1080×1920.
Can I use the same video for YouTube and TikTok?
Usually not as a one-size-fits-all export. YouTube favors 16:9 while TikTok favors 9:16, so the safer workflow is to create a horizontal master and then design a vertical crop strategy for the mobile version.
What aspect ratio is 1920×1080?
1920×1080 simplifies to 16:9. It is the most common Full HD resolution for YouTube, streaming, desktop playback, and screen-based marketing content.
What aspect ratio should I use for Instagram Reels?
Instagram Reels uses 9:16 at 1080×1920. For feed video placements, 4:5 at 1080×1350 often performs better because it occupies more of the feed while remaining friendly to captions.
How do I calculate the aspect ratio of a video?
Divide width by height to get the decimal ratio and then reduce the pair to its simplest form with a greatest common divisor. For example, 1920 divided by 1080 is 1.778, which simplifies to 16:9.
What aspect ratio do professional filmmakers use?
Many narrative films use about 2.39:1, often called Scope, while others use 1.85:1 or 16:9 depending on distribution. For streaming originals, both cinematic ultrawide and standard widescreen remain common.
Keep Exploring
Continue into the parts of the system that support video work
Use these links to jump from this use case into the calculator, deeper ratio guides, CSS tooling, and adjacent content that helps with social publishing and responsive embeds.
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Calculator
Use the main tool for generic width, height, ratio, and diagonal calculations.
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16:9 Guide
Dive deeper into the standard widescreen ratio used by YouTube and streaming.
📱
9:16 Guide
Learn the vertical ratio behind Shorts, TikTok, Stories, and Reels.
💻
CSS Aspect Ratio Generator
Turn a ratio into embed-safe CSS, padding fallbacks, and framework snippets.
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Photography Use Case
Plan crops for DSLR frames, prints, and responsive galleries.
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Social Media Use Case
Compare ratios across feed posts, stories, reels, and paid placements.
🧭
Resolution Finder
Jump from any ratio to a list of usable pixel dimensions.
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Platform Sizes Guide
See how ratio choices map to broader social publishing workflows.