FREE Aspect Ratio Calculator 2025
🚀 Get perfect dimensions instantly! Choose ratio → Enter size → Get result
✅ 30 seconds to perfect size! No more cropped or distorted images
💡 Quick Examples - Try These!
How to Calculate Image Ratio
1. Select Ratio
Choose a preset like 16:9 (YouTube), 9:16 (Stories), or 1:1 (Instagram Post).
2. Enter One Side
Type the width or height you know (e.g., 1080). We'll calculate the other side instantly.
3. Get Dimensions
Copy the perfect dimensions to use in Photoshop, Canva, or our cropping tools.
Why Use This Calculator?
Pixel Perfect
Calculate exact dimensions down to the pixel. No more rounding errors or blurry images.
Social Media Ready
Presets for all major platforms including Instagram, TikTok, YouTube, Twitter, and LinkedIn.
Instant Result
No need to press a "calculate" button. Results appear as you type.
Custom Ratios
Need a weird ratio like 2.35:1? Select "Custom" mode to calculate any aspect ratio.
Mobile Friendly
Works perfectly on your phone. Calculate dimensions on the go.
Free Forever
This tool is completely free. No sign-up, no ads, no limits.