Learn the best Instagram Reel size with exact ratio, spec, format, etc. to ensure your videos look sharp, fit perfectly, and perform well across the platform. To make your Reels shine, understanding the Instagram Reel size and Instagram Reels size ratio is essential. Correct dimensions ensure your videos look professional, avoid cropping, and drive engagement. Instagram creators have started using a new, ultra-wide format— 5120 × 1080 px —that’s making serious waves across Reels. It’s bold, cinematic, and designed to stand out in a sea of vertical videos. While this size isn’t officially supported by Instagram, it’s showing up everywhere as a new creative trend. Find the optimum Instagram post sizes for 2025 with our complete guide, including photos, videos, reels, and grid guidelines.
