Max Print Size at 300 DPI (3:2)
20.0" × 13.3"
51 × 34 cm
300 DPI
20.013.3"
150 DPI
40.026.7"
72 DPI
83.355.6"
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About MP to Print

What this tool does

Photography tools provide shutter speed charts, ISO noise guides, focal length comparisons, crop factor calculations, depth-of-field estimates, exposure compensation references, and megapixel-to-print-size tables.

Why use this tool

Photographers in the field need quick answers: What shutter speed freezes motion at this focal length? How large can I print from a 24MP sensor? What is the equivalent focal length on a crop sensor? These references save trial-and-error shots.

How it works

Exposure tools apply the reciprocal rule (minimum shutter speed = 1/focal length). Depth-of-field calculations use the thin-lens equation with circle-of-confusion diameter. Print-size tables divide sensor resolution by the target DPI.

Pro tip

The reciprocal rule gives the slowest safe shutter speed for sharp handheld photos: 1 over the equivalent focal length. On a crop sensor, multiply the lens focal length by the crop factor first.

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