Aspect Ratio Calculator
Calculate, simplify, and resize aspect ratios for images, videos, and screens.
Aspect Ratio Calculator
Calculate, convert, and resize with any aspect ratio
Aspect Ratio
16:9
Decimal
1.7778
Percentage
177.78%
Common Aspect Ratios
| Ratio | Name / Use Case | |
|---|---|---|
| 16:9 | HD Video — YouTube, TV | Use |
| 4:3 | Old TV — iPad | Use |
| 1:1 | Square — Instagram Square | Use |
| 9:16 | Vertical — Stories, TikTok | Use |
| 21:9 | Ultrawide — Cinema, Monitor | Use |
| 3:2 | Photography — DSLR | Use |
| 2:3 | Portrait — Portrait Photo | Use |
| 1:1.414 | A4 Paper — Print, Document | Use |
Aspect Ratio Calculator का उपयोग कैसे करें
- 1
Enter width and height to calculate the simplified aspect ratio.
- 2
View the ratio, decimal value, percentage, and visual preview.
- 3
Switch to Resize mode to calculate dimensions from a preset ratio.
- 4
Click any ratio in the reference table to use it instantly.
Aspect Ratio Calculator के बारे में
Calculate and convert aspect ratios instantly. Two powerful modes help you work with any ratio — check what ratio your dimensions are, or calculate missing dimensions from a known ratio.
Key Features
- Calculate Ratio Mode: Enter width and height to get the simplified ratio (e.g., 1920x1080 = 16:9), decimal value, and matching standard ratios.
- Resize by Ratio Mode: Pick a preset ratio (16:9, 4:3, 1:1, 21:9, 3:2, 9:16) or custom, enter one dimension, the other calculates automatically.
- Visual Preview: Proportional rectangle preview for the calculated ratio.
- Ratio Reference Table: Common ratios with names, use cases, and example resolutions — click any to use it.
- Lock Dimension: Lock/unlock width or height to control which dimension you're setting.
Who Is This For?
Perfect for video editors, photographers, UI designers, and developers working with responsive layouts, canvas sizes, or social media image dimensions.
Privacy & Security
All calculations run instantly in your browser — no data stored, no signup required.