排版单位

pt、px、em、rem等单位换算

01

POPULAR CONVERSIONS

像素 (px) → 点 (pt) 1 px = 0.75 pt 点 (pt) → 像素 (px) 1 pt = 1.3333 px 像素 (px) → em 1 px = 0.0625 em em → 像素 (px) 1 em = 16 px 像素 (px) → rem 1 px = 0.0625 rem rem → 像素 (px) 1 rem = 16 px 点 (pt) → 派卡 1 pt = 0.083333 pc 派卡 → 点 (pt) 1 pc = 12 pt
02

ALL UNITS

像素 (px) px

CSS reference pixel at 96 DPI
点 (pt) pt

Typographic point (1/72 inch = 96/72 px)
派卡 pc

Typographic pica (12 points = 16 px)
em em

Relative to parent font size (default 16px)
rem rem

Relative to root font size (default 16px)
英寸 (CSS) in

CSS inch (96 px at reference DPI)
厘米 (CSS) cm

CSS centimeter (96/2.54 px)
毫米 (CSS) mm

CSS millimeter (96/25.4 px)