📐
Aspect Ratio Calculator
Calculate aspect ratios and scale image dimensions proportionally. Presets for 16:9, 4:3, 1:1, 9:16, etc.
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Aspect Ratio
16:9
Decimal: 1.7778
📏 Scale dimensions proportionally
Result: 800 × 450px (maintains 16:9 ratio)
◆ How it works
Aspect Ratio Calculator — 3 simple steps
01
Enter dimensions
Original width × height
02
See ratio
Simplified to lowest terms
03
Scale
Get new dimensions
◆ FAQ
Common questions.
What is aspect ratio?
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