Monroe Community College - State University of New York

MCC Paramedic Students Learn about FiO2

FiO2 stands for Fraction of inspired oxygen. Although EMTs are familiar with oxygen levels as a percentage, the hospital and Paramedics usually describe the oxygen concentration in a different way. We use FiO2 values. The conversion from percent to FiO2 is quite simple though. Take the percent number and move the decimal point two places to the left. Thats it!!! You now have the FiO2 value

Examples:

21% is an FiO2 of 0.21

50% is an FiO2 of 0.5

100% is an FiO2 of 1