Calculator
1:1 Aspect Ratio Calculator & Image Resizer
Work out perfectly square dimensions in seconds. Enter a width or height, pick a common preset, and resize your own image to fit - the classic format for Instagram posts, profile pictures, and album art.
Enter dimensions
Result
1080 x 1080 px
≈ 1.2 megapixels
Preview
Resize an image to 1:1
Upload a photo and resize it to exactly 1080 x 1080px at 1:1 - drag to reposition, then download.
Common sizes - tap to use
| Name | Category | Resolution | Megapixels | |
|---|---|---|---|---|
| Instagram Post | Social | 1080 x 1080 | 1.2 MP | |
| Facebook Post | Social | 1200 x 1200 | 1.4 MP | |
| LinkedIn Post | Social | 1200 x 1200 | 1.4 MP | |
| Profile Picture | Social | 500 x 500 | 0.3 MP | |
| Album Cover | Music | 3000 x 3000 | 9.0 MP | |
| Product Photo | Ecommerce | 2000 x 2000 | 4.0 MP |
What Is 1:1 Aspect Ratio?
The 1:1 aspect ratio is a perfect square, exactly as wide as it is tall. It was Instagram's original and only supported format when the app launched in 2010, and it remains one of the most recognisable shapes in social media today.
A square crop works well for centred subjects like portraits, products, and album covers, since there's no need to decide between a portrait or landscape orientation - the frame is neutral in every direction.
1:1 vs Other Ratios
Square sits neatly between a tall portrait post and a wide landscape one. Here is how 1:1 compares:
Portrait feed post
Square (this ratio)
Landscape post
Who Uses 1:1?
Instagram Feed Posts
Instagram's original format and still a clean, neutral choice for feed photos.
Profile Pictures
Nearly every platform, from LinkedIn to Slack, displays profile photos as a square.
Album Covers
The standard shape for music album and playlist artwork.
Product Photography
A neutral frame that works for product listings on Etsy, Amazon, and online stores.
Need a different format or a smaller file size?
Once you've resized your image above, you can convert it to another format or compress it for free with Crest Convert - everything runs in your browser, so your files never get uploaded anywhere.
More Aspect Ratio Calculators
Frequently Asked Questions
Why was Instagram originally square-only?
Instagram launched in 2010 with only square (1:1) photos to keep its feed visually consistent, inspired partly by the square format of vintage Polaroid and Kodak Instamatic cameras. It added support for portrait and landscape posts in 2015.
What size should my Instagram profile picture be?
Instagram recommends at least 320 x 320 pixels for profile pictures, though uploading a larger square image like 500 x 500 or 1000 x 1000 will look sharper on high-resolution screens.
Is 1:1 still good for Instagram in 2026?
Yes, though 4:5 portrait posts now get more feed visibility. Square remains a strong choice for a consistent grid look, product shots, and quote or text-based graphics.
What resolution should I use for an album cover?
Most streaming platforms require at least 1400 x 1400 pixels for album artwork, with 3000 x 3000 recommended for the best quality across all devices and stores.
How do I crop a landscape photo to square?
Cropping to square usually means trimming the wider sides of a landscape photo until the width matches the height. Try to keep your main subject centred so nothing important gets cut off.
What image formats can I upload?
JPG, PNG, WebP, GIF, BMP, and HEIC (the format iPhones save photos in) up to 50MB. HEIC files are decoded right in your browser, so nothing is ever uploaded to a server - the same as every other format here.