When you set up a slide deck PowerPoint asks for dimensions to be set in either inches or centimeters. However you can enter a pixel value followed by “px” and PowerPoint will convert it to either centimeters or inches. Using this conversion, PowerPoint assumes 0.0264583333333333 centimeters per pixel or 0.0104166666666667 inches per pixel.

Common 16:9 video resolutions and their print equivalents

Pixels Centimeters Inches
HD 1280 x 720 33.867 x 19.05 13.334 x 7.5
FHD 1920 x 1080 50.8 x 28.575 20 x 11.25
UHD-1 (4K) 3840 x 2160 101.6 x 57.15 40 x 22.5
5K 5120 x 2880 135.467 x 76.2 53.334 x 30
PPT Max Resolution (2021) 5376 x 5376 142.24 x 142.24 56 x 56
UHD-2 (8K) 7680 x 4320 203.2 x 114.3 80 x 45

The default settings are 33.867 x 19.05 cm which equates to an HD video resolution of 1280 x 720 px. Currently the maximum resolution in PowerPoint is 142.24 x 142.24 centimeters or 56 x 56 inches. Which means the maximum standard 16:9 video resolution would be 5K (5120 x 2880 px).

These resolutions are only relevant to bitmap graphics as text, shapes and vector graphics will scale will scale to the display resolution. Currently PowerPoint supports .svg and .emf vector graphics.

Using a DPI calculator it appears that Powerpoint uses a print resolution is 96 DPI or 38 dots / cm.

Export Settings

This article outlines how to change the export resolution of a PowerPoint slide.