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Image File Size Calculator

Estimate uncompressed image file size.

Calculated Output

File size (MB) 68.665

File size (GB) 0.0671

Formula: MB = width × height × bits ÷ 8 ÷ 1,048,576

Step-by-Step Breakdown

1. Values used:

2. Width = 6,000 px

3. Height = 4,000 px

4. Bits per pixel = 24

6. File size = 68.665MB

7. File size = 0.0671GB

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The math behind it

bytes = width × height × bits per pixel ÷ 8; ÷ 1,048,576 for MB. 24-bit = standard color.

6000×4000 at 24-bit → ~68.7 MB uncompressed.

JPEG smaller?

Yes — compression shrinks it 5–15× with some quality loss.