General Aspect Ratio
Is there a tool to find aspect ratio from pixels?
Yes! There are several free tools available to find aspect ratio from pixels. Here's everything you need to know about the best options.
Our Aspect Ratio Calculator
The easiest and fastest option:
What it does:
- Enter width and height in pixels
- Get instant aspect ratio results
- Shows formats: 16:9, 4:3, 1.78:1
- Free and no registration needed
- Works on any device
How to use it:
- Visit our calculator
- Input your pixel dimensions
- Click "Calculate"
- See all ratio formats instantly
Other Popular Tools:
Online Aspect Ratio Calculators
- Simple to use
- Just enter your dimensions
- Most offer decimal, ratio, and percentage formats
- Many include ratio visualization
Image Properties (Built-In)
Check your image directly without external tools:
Windows:
- Right-click image → Properties
- Go to Details tab
- Look for "Dimensions"
- Shows pixels (e.g., 1920 × 1080)
Mac:
- Click image → Command+I (Get Info)
- Look for "Image" section
- Shows exact pixel dimensions
Photoshop & Similar Software
If you use design software:
- Open image in Photoshop, GIMP, etc.
- Go to Image menu → Image Size
- Shows exact pixel dimensions
- Often calculates ratio automatically
Online Image Tools:
Most free image editors offer dimension checking:
- Canva (shows image info)
- Pixlr (displays dimensions)
- Photopea (web Photoshop alternative)
Comparison of Options:
| Tool | Speed | Ease | Free | Best For |
|---|---|---|---|---|
| Our Calculator | Instant | Very Easy | Yes | Quick answers |
| Image Properties | Very Fast | Easy | Yes | No extra tools |
| Photoshop | Fast | Medium | No | Design work |
| Online Editors | Fast | Medium | Yes | Image work |
Why Use a Tool Instead of Manual Math?
- ✅No calculation needed - No risk of math errors
- ✅Instant results - Takes seconds, not minutes
- ✅Multiple formats - Get 16:9, 4:3, and decimal forms
- ✅Visualization - See what your ratio looks like
- ✅Free options - No software purchase required
Common Pixel Dimensions & Ratios:
| Pixels | Ratio | Format |
|---|---|---|
| 1920 × 1080 | 16:9 | Full HD |
| 1280 × 720 | 16:9 | HD |
| 3840 × 2160 | 16:9 | 4K |
| 1024 × 768 | 4:3 | Standard |
| 2560 × 1440 | 16:9 | 2K |
| 1000 × 1000 | 1:1 | Square |
How to Find Pixels If You Don't Know Them:
For Photos:
- Check EXIF data (right-click → Properties)
- Use online image tools that display dimensions
- Open in any image editor to check
For Screenshots:
- Right-click → Properties → Details
- Or open in any viewer and check dimensions
For Videos:
- Right-click → Properties → Details
- Use video player info display
- Check editing software properties
Pro Tip:
Don't try to manually calculate aspect ratio from pixels - it's what tools are for! Even if you know the math, a calculator is faster, more accurate, and gives you results in multiple useful formats instantly.
Recommendation:
Use our free aspect ratio calculator. It's the simplest, fastest, and most accurate way to go from pixels to aspect ratio. No sign-up, no ads, and instant results.
Ready to Calculate Aspect Ratios?
Use our free aspect ratio calculator to find the perfect dimensions for your project.
Try the Calculator