When designing content in another app (creating a graphic or a chart) use the 12.9” iPad Pro screen resolution of 2732 px x 2048 px. This will ensure your designs look high res.
If you’re designing using Sketch you can create art boards at 1024 pt x 768 pt, then export them with a 2732 px width.
Dimensions for popular page layouts:
Full-page layouts 2732 px x 2048 px
Horizontal Layouts 2732 px x 1364px
Half page layouts 1366 px x 2048 px
Two-Thirds page layout 1708 px x 2048 px
Safe Area
Use an 86 px safe area if your designs extend under the nav bar. The Nav Bar height varies on different sized iPads.
