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Aspect Ratio Calculator
Find the aspect ratio of any resolution and scale it to new dimensions without distortion.
Aspect ratio: 16:9
Widescreen (TVs, most monitors)
Scale to a new size (same ratio):
Common display aspect ratios
- 16:9 — 1920×1080, 2560×1440, 3840×2160. The standard for monitors and TVs.
- 16:10 — 1920×1200, 2560×1600. Popular on productivity laptops.
- 21:9 — 2560×1080, 3440×1440. Ultrawide monitors for gaming and multitasking.
- 32:9 — 5120×1440. Super ultrawide, equal to two 27″ QHD panels side by side.
- 4:3 — 1024×768, 1600×1200. Legacy displays and some retro gaming setups.
How scaling works
To resize an image or video without stretching, both dimensions must change by the same factor. Enter a new width above and the calculator returns the height that preserves the original ratio (new height = new width × original height ÷ original width).