Adult Male - Average
Age (years): 35; Height (inches): 70; Gender: Male
Predicted Peak Flow (Female): 172.55 L/min; Predicted Peak Flow (Male): 195.55 L/min; Predicted Peak Flow: 195.55 L/min
Peak Flow Calculator
Health0.0(0)
Estimates expected peak expiratory flow rate based on age, height, and gender, used in asthma management.
More tools:Health Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Age (years), Height (inches), and Gender in the units shown.
Step 2
Read Predicted Peak Flow (Female), Predicted Peak Flow (Male), and Predicted Peak Flow in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Adult Female - Average
Age (years): 35; Height (inches): 64; Gender: Female
Predicted Peak Flow (Female): 142.55 L/min; Predicted Peak Flow (Male): 162.55 L/min; Predicted Peak Flow: 142.55 L/min
Teenage Male
Age (years): 15; Height (inches): 72; Gender: Male
Predicted Peak Flow (Female): 183.95 L/min; Predicted Peak Flow (Male): 207.95 L/min; Predicted Peak Flow: 207.95 L/min
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Important
Use the result as an estimate and confirm any medical decisions with a qualified professional.