Calculators & Converters•Free Online Tool
Aspect Ratio Calculator
Calculate aspect ratios and scale image and video dimensions proportionally. Enter width and height to discover simplified ratios, decimal multipliers, and compute scaled dimensions with locked proportions.
100% Free & Private
Simplified Aspect Ratio
16:9
e.g. 16:9 widescreen or 4:3 standardDecimal Ratio (W / H)
1.778
Floating point multiplierOrientation
Landscape
Based on original dimensions1. Base / Original Dimensions
2. New Scaled Dimensions (Proportional)
Visual Scale Ratio
16:9
Standard Video & Display Presets
How to Use Aspect Ratio Calculator
1
Enter Original Dimensions
Type width and height in pixels.
2
Scale to Target Size
Type the new width or height to automatically compute the matching dimension.
Frequently Asked Questions
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