About the Video Resolution Calculator
Compare video resolutions by pixel count, aspect ratio and the bitrate each needs.
Also known as: resolution comparison, 4k vs 1080p, video size comparison, pixel count comparison.
How to use this calculator
- Enter width, height, frame rate.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
pixels per frame = width × height
Worked example
Using the values pre-filled in the calculator above:
- Width = 3,840 px
- Height = 2,160 px
- Frame rate: 30 fps
the calculator returns:
- Total pixels per frame: 8,294,400
- Megapixels: 8.294 MP
- Aspect ratio: 16 : 9
- Compared to 1080p: 4 ×