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如何计算Photo Resolution Converter

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Converts between megapixels, pixel dimensions, and print sizes at various DPI settings for photography.

公式

Megapixels = width × height / 1,000,000

分步指南

  1. 1Megapixels = width × height / 1,000,000
  2. 2Print size = pixels / DPI
  3. 3File size estimate based on bit depth

例题解析

输入
24MP at 300 DPI
结果
8" × 6" print

常见错误注意事项

  • Assuming screen resolution (72 PPI) is sufficient for print
  • Ignoring JPEG compression in file size estimates

常见问题

What DPI is needed for print?

Typically 300 DPI for professional print quality.

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