1:1 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 1:1 aspect ratio, also known as the square format, is a highly versatile and popular choice for social media content. Mastering the square format is essential for creating posts that look great on Instagram, Facebook, and other platforms.

What is the Best Aspect Ratio for Square Content?

The optimal aspect ratio for square images and videos is 1:1. This format is perfectly balanced and is the standard for many social media feeds, especially Instagram. It ensures your content is displayed consistently across both mobile and desktop devices.

The most common resolution for a 1:1 post is 1080x1080 pixels.

Why 1:1 is Important

• Social Media Standard: It's the classic format for Instagram posts and is widely supported on Facebook, LinkedIn, and Pinterest.
• Versatile and Balanced: It works well in almost any feed, ensuring your composition looks good without unexpected cropping.
• Mobile-Friendly: It takes up a significant amount of screen real estate on a mobile device's vertical feed, grabbing user attention.

What About Other Aspect Ratios?

When you upload a horizontal (16:9) or vertical (9:16) image to a platform that favors a 1:1 display, it will often be automatically cropped. This can cut out important parts of your image or video. Using a 1:1 ratio from the start gives you full control over your composition.

Frequently Asked Questions (FAQ)

What is the best resolution for a 1:1 aspect ratio?

The best and most common resolution for a 1:1 aspect ratio is 1080x1080 pixels. This is ideal for high-quality posts on Instagram and Facebook.

Can I use a 1:1 video on TikTok or YouTube Shorts?

While you can upload a 1:1 video, it's not optimal. These platforms are designed for vertical 9:16 videos. Your 1:1 video will be displayed with black bars (or a blurred background) above and below to fit the vertical frame.

Is 1:1 the same as 4:4?

Yes, a 1:1 aspect ratio is mathematically the same as 4:4, 2:2, or any ratio where the width and height are equal. It is always simplified to 1:1.