01
Choose Aspect Ratio
Select a common aspect ratio or enter your own custom ratio.
All Converters
Aspect Ratio Converter
Calculate a matching width or height while preserving a selected aspect ratio.
Aspect Ratio
Choose an aspect ratio
Select a common ratio or enter a custom width-to-height ratio.
Common Ratios
Select oneCustom Ratio
:
16:9
Current Ratio
Calculate From
Live Preview
1,920 × 1,080
at 16:9
Aspect ratio keeps proportions
A 16:9 image keeps the same visual shape whether it is 1920 × 1080, 1280 × 720 or 3840 × 2160.
Calculation Complete
Matching dimensions
A 16:9 aspect ratio with width 1,920 gives:
Dimensions
1,920×1,080
16:9 Aspect Ratio
1,920
Width
1,080
Height
CalculatedRounded Dimensions
1920 × 1080
Useful when working with whole pixel dimensions.
Calculation
Height
1,920 × 9 ÷ 16
= 1,080
16
Ratio Width
9
Ratio Height
1.7778
Decimal Ratio
16:9
Aspect Ratio
Ratio Preview
Visual representation of the selected 16:9 aspect ratio.
16:9
Aspect Ratio Reference
Common aspect ratio sizes
Different resolutions can share the same aspect ratio as long as width and height stay in the same proportion.
| Ratio | Example | Another Size | Common Use |
|---|---|---|---|
| 16:9 | 1920 × 1080 | 1280 × 720 | Video / Widescreen |
| 9:16 | 1080 × 1920 | 720 × 1280 | Stories / Reels |
| 1:1 | 1080 × 1080 | 1200 × 1200 | Square Social |
| 4:5 | 1080 × 1350 | 800 × 1000 | Portrait Social |
| 4:3 | 1600 × 1200 | 1024 × 768 | Classic Display |
| 3:2 | 1800 × 1200 | 6000 × 4000 | Photography |
Example: 16:9
If the width is 1920, then the matching height is 1080. If the width is 3840, the matching height is 2160. Both dimensions preserve the same 16:9 ratio.
Simple Process
Calculate Aspect Ratio in 3 Steps
Choose an aspect ratio, enter one known dimension and calculate the matching width or height.
02
Enter One Dimension
Enter either the width or height you already know.
03
Get Matching Dimension
Calculate the matching width or height while preserving the selected ratio.