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Aspect Ratio Calculator

Enter width and height to calculate the aspect ratio. Use lock mode to resize proportionally, or pick from common presets like 16:9, 4:3, and 9:16. Includes a common resolutions reference.

x

Aspect Ratio

16:9

1920 x 1080 px

16:9

Common Presets

Common Resolutions

NameResolutionRatio
4K UHD3840x216016:9
1440p2560x144016:9
1080p1920x108016:9
720p1280x72016:9
480p854x48016:9
Instagram1080x10801:1
Story/Reel1080x19209:16
iPad2048x15364:3
Ultrawide3440x144021:9
DSLR Photo6000x40003:2

How to Calculate Aspect Ratios

Calculate and convert aspect ratios for images, videos, and screens using The IT Hustle's free Aspect Ratio Calculator.

  1. 1
    Enter dimensionsType the width and height of your image, video, or screen into the input fields.
  2. 2
    View the aspect ratioThe simplified aspect ratio (e.g., 16:9) is calculated and displayed automatically.
  3. 3
    Use lock ratio modeEnable 'Lock Ratio' to maintain proportions. Change one dimension and the other updates automatically.
  4. 4
    Try common presetsClick preset buttons for common ratios like 16:9, 4:3, 1:1, or 9:16 (mobile) to quickly fill in standard dimensions.

Frequently Asked Questions

16:9 is the standard widescreen ratio used by HD and 4K displays, YouTube videos, and most modern monitors. Common resolutions include 1920x1080 (1080p) and 3840x2160 (4K).

Instagram posts use 1:1 (square) or 4:5 (portrait). Instagram/TikTok Stories use 9:16 (vertical). YouTube uses 16:9 (landscape). Twitter/X images work best at 16:9 or 2:1.

Use the lock ratio feature. Enter your current dimensions, enable lock ratio, then change either width or height. The other dimension adjusts proportionally to prevent distortion.

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