breath count calculator

birthday =    
 
number of breaths since birth (estimate) =

illustrate:
the table below lists the number of breaths per minute for different age groups.

Age Breath Count / Minute
< 1 30 - 40
1 - 3 23 - 35
3 - 6 20 - 30
6 - 12 18 - 26
12 - 18 12 - 20
> 18 12 - 20