0W
# 0W

0W (zero W) or 0-W may refer to:

* 0W, zero west, or 0°W, coordinate of the prime meridian
* 0W or ZW, or zero width, a non-printing character used in computer typesetting of some complex scripts
   * Zero-width joiner
   * Zero-width non-joiner
   * Zero-width space
   * Zero-width non-breaking space
* Zero waste, an environmental concept
