Convert matric head (cm) to pF
Examples
pf_from_head(c(1, 10, 100, 1000, 15850))
#> [1] 0.000000 1.000000 2.000000 3.000000 4.200029
Convert matric head (cm) to pF
pf_from_head(c(1, 10, 100, 1000, 15850))
#> [1] 0.000000 1.000000 2.000000 3.000000 4.200029