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📐 Aspect Ratio Calculator

Find the simplified ratio for any dimensions, or calculate the matching width/height for a target ratio. Common presets included.

✓ Simplify any ratio ✓ Calculate dimensions ✓ Visual preview
16:9
9:16
4:3
3:4
1:1
21:9
3:2
2:3
5:4
1.85:1 (Film)
2.35:1 (Cinema)
4:5 (Instagram)
Simplified Ratio
16:9
Decimal: 1.7778