Image Size Calculator
Plan an export before you make it. Enter the original dimensions and a scale, then see the output size in pixels, megapixels and estimated kilobytes for each format.
- Output dimensions
- 1920 × 1080 px
- Total pixels
- 2.07 MP
- Aspect ratio
- 1.778 : 1
- Estimated file size
- 506.3 KB
File size is an estimate. Real results depend on the detail in your image and the encoder used.
How to Use the Image Size Calculator
- 1
Enter the original width and height in pixels.
- 2
Set a scale percentage, or tap one of the quick options.
- 3
Choose the format and quality you plan to export with.
- 4
Read the output dimensions and estimated file size.
Image Size Calculator Features
Instant results
Every value updates as you type.
Format comparison
Switch between JPG, PNG and WebP estimates.
Megapixel readout
Useful for print and upload limits.
Aspect ratio shown
Check the proportions before resizing.
No upload needed
It is a calculator, so no file is required.
Free to use
No signup, no limits.