Math & Utilities / ACTUALLY USEFUL
Aspect ratio & screen resolution
Scale one dimension while preserving a standard or custom aspect ratio.
YOUR NUMBERSResults update as you type
Exact width1,920px
Exact height1,080px
Nearest integer resolution1920 × 1080
Aspect ratio16:9
Method & assumptions
Width ÷ height stays equal to the chosen ratio. Integer pixel rounding can slightly change the exact ratio; some video encoders also require even dimensions.