Paper Size Converter
Convert between A, B, C series, US paper sizes, Japanese formats, and calculate printing dimensions, margins, and scaling.
Professional Print & Design Tool
Scale & Printing Settings
%
PPI
in
in
Paper Specifications
Paper Size Conversion
Letter → A4: Scale 94%
Letter: 8.5" × 11" • A4: 210 × 297 mm
215.9 × 279.4 mm | 8.5 × 11 in | 1:1.2941 aspect