No. 10 envelope size

104.8 × 241.3 mm · 4.125 × 9.5 in · 297.1 × 684 pt

Where it comes from

The US standard business envelope: 4.125 × 9.5 in, sized for a Letter sheet folded in thirds.

Source: Markus Kuhn — International standard paper sizes (CC BY 4.0)

Pixels at print resolutions

DPIPixels (portrait)Typical use
72297 × 684legacy screens
96396 × 912CSS reference
150619 × 1425everyday print
3001238 × 2850quality print
6002476 × 5700fine art / line work

The family

  • Fold C7 envelope in half and you're holding No. 10 envelope.
  • Area: 0.0253.