Megapixel Calculator
Calculate megapixels from image dimensions. See print sizes at different DPI and estimate file sizes for RAW and JPEG formats.
Inputs
px
px
Results
Megapixels
24 MP
Print Size at 300 DPI
20" x 13.3"
Total Pixels24,000,000
Print Size at 150 DPI40" x 26.7"
Print Size at 72 DPI83.3" x 55.6"
Uncompressed RGB (8-bit)68.7 MB
Estimated RAW File40.1 MB
Estimated JPEG File6.87 MB
Print Quality AssessmentVery good — large prints up to 24x36"
How to Use This Calculator
- Enter Image Width and Image Height.
- Review Megapixels (MP) and Print Size at 300 DPI.
- Use Total Pixels and Print Size at 150 DPI to inform your decision.
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