Common working recommendation

Mobile Viewport (375px)

Reference viewport for mobile design (iPhone SE class).

Dimensions: 375 × 667 px
Aspect ratio: 9:16
Orientation: portrait

9:16

Copy and use

Dimensions375 × 667

Ratio9:16

CSSaspect-ratio: 9 / 16;

Common uses

Mobile wireframe
Mobile design
Responsive breakpoint

Source and status

Common working recommendation

No fixed official platform requirement is claimed for this working size.