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Calcimator

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"

Megapixels

24 MP

Print Size at 300 DPI

20" x 13.3"

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Image Width — Image width in pixels. Accepts values from 1 px to 100,000 px (default: 6,000 px).
  3. Image Height — Image height in pixels. Accepts values from 1 px to 100,000 px (default: 4,000 px).
  4. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  5. Megapixels — shown as a numeric value. This is the primary result of this calculator.
  6. Print Size at 300 DPI — your calculated result. This is the primary result of this calculator.
  7. Total Pixels — shown as a numeric value.
  8. Print Size at 150 DPI — your calculated result.
  9. Print Size at 72 DPI — your calculated result.
  10. Uncompressed RGB (8-bit) — shown as a numeric value.
  11. Estimated RAW File — shown as a numeric value.
  12. Estimated JPEG File — shown as a numeric value.
  13. Print Quality Assessment — your calculated result.
  14. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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