sizes in french and gauge


  • a lower gauge is larger
  • In contrast, a larger French is larger
  • common sizes
    • 18G = 3.8 Fr
    • 16G = 5 Fr
    • 7 Fr = 13G
    • 8 Fr = 12G
    • 9 Fr = 11G
  • conversion calculator
GaugeFlowFlow with Pressure
223035
206075
1890120
16180300
  • Mass transform: 150 flow/min
    • 2 large IV: 18+20 or 16
  • IO: typically 18
  • Triple lumen: total 100 ml/min:

12

Footnotes

  1. http://www.sai-infusion.com/files/ConversionTable.pdf

  2. https://web.archive.org/web/20131019193106/http://www.sai-infusion.com/files/ConversionTable.pdf