Fraction of Inspired Oxygen (FiO2) Calculator

Here is a simple online medical calculator to find the estimated Fraction of Inspired Oxygen (FiO₂) based on the given values of child's weight (in kg), his or her respiratory rate, the current O₂ flow rate and percent O₂ at the blender. FiO₂, in the field of medicine, is the percentage or fraction of inspired oxygen in a gas mixture. FiO₂ is the ventilator parameter which helps to measure the percentage of oxygen delivered to the patient.

Select Nasal Canula Standard Nasal Canula High Flow Nasal Canula

Standard Nasal Canula - 0.5 L/min1 L/min1.5 L/min 2 L/min2.5 L/min3 L/min 3.5 L/min4 L/min4.5 L/min 5 L/min5.5 L/min6 L/min

High Flow Nasal Canula - 6 L/min8 L/min10 L/min 12 L/min15 L/min

Result :

Estimated FiO₂ (L/min)

Mean FiO₂ achieved (%)

Range of FiO₂ achieved (%)