16:9 Aspect Ratio Calculator for Reels

Instructions

1. Enter the original width (W1) and height (H1).
2. Enter either the new width (W2) or new height (H2) to compute the other.
3. Change values at any time — use Reset to restore defaults.

Instagram Aspect Ratio Guide

Choosing the right aspect ratio for your Instagram content is key to maximizing visual impact and engagement. Instagram supports several formats, each suited for different types of content.

Instagram Feed Posts (Photos & Videos)

For the main feed, you have a few options:

• Square (1:1): The classic Instagram format. Recommended resolution is 1080x1080 pixels. It's a safe bet that always looks good in the grid view.
• Portrait (4:5): This is often the best choice for engagement as it takes up more vertical screen space. The optimal resolution is 1080x1350 pixels.
• Landscape (1.91:1): Useful for wide shots. The recommended resolution is 1080x566 pixels. Content wider than 1.91:1 may be cropped.

Instagram Reels & Stories (9:16)

For full-screen, immersive content like Reels and Stories, the best aspect ratio is 9:16.

The recommended resolution is 1080x1920 pixels. This vertical format fills the entire mobile screen, capturing the viewer's full attention, which is ideal for short-form video.

Visual Aspect Ratio Examples

Video Length & File Specs

• Feed Videos: Up to 60 minutes.
• Reels: Up to 90 seconds.
• Stories: Up to 60 seconds per segment.
• Recommended Formats: MP4 and MOV.
• Max File Size: 4GB.

Why It Matters

Using the correct aspect ratio prevents Instagram from awkwardly cropping your content or adding black bars. Optimized images and videos look more professional and perform better on the platform.

Use Our Calculator

Need to resize a video or image for Instagram? Use our calculator to find the correct dimensions for any format.

Go to Instagram Aspect Ratio Calculator

The 16:9 aspect ratio is the universal standard for widescreen video and displays. Understanding how to use it correctly is essential for producing content that looks professional on TVs, computer monitors, and major video platforms like YouTube.

What is the Best Aspect Ratio for Widescreen Video?

The optimal and most common aspect ratio for widescreen video is 16:9. This horizontal format is the standard for HDTVs, computer monitors, and the majority of online video content. It provides a cinematic viewing experience that is wide and immersive.

The most common resolution for a 16:9 video is 1920x1080 pixels (Full HD). Other standard 16:9 resolutions include 1280x720 (HD) and 3840x2160 (4K).

Why 16:9 is Important

• Universal Standard: It's the default format for YouTube, Vimeo, and broadcast television, ensuring maximum compatibility.
• Cinematic Feel: The wide format is similar to a movie screen, providing an engaging and professional look.
• Fills the Screen: It uses the entire screen space on most modern laptops, monitors, and TVs without any black bars.

What About Other Aspect Ratios?

While you can upload videos with other aspect ratios to platforms like YouTube, they won't always provide the best viewing experience on a 16:9 screen. A vertical video (9:16) will be displayed with large black bars on the sides (pillarboxing) to fit the horizontal frame. Older 4:3 content will also have smaller black bars.

Frequently Asked Questions (FAQ)

What is the most common 16:9 resolution?

The most common 16:9 resolution is 1920x1080 pixels, also known as Full HD or 1080p. Other popular 16:9 resolutions include 1280x720 (HD) and 3840x2160 (4K UHD).

Is 16:9 good for social media?

It depends on the platform. 16:9 is the standard for YouTube videos. However, for vertical-scrolling feeds like Instagram, Facebook, and TikTok, a vertical aspect ratio (like 9:16 or 4:5) is generally better for engagement as it takes up more screen space on mobile devices.

What is pillarboxing?

Pillarboxing is the effect of placing black bars on the left and right sides of a video. This happens when you display content with a narrower aspect ratio (like 4:3 or 9:16) on a wider 16:9 screen.