From To C/m mC/m uC/m nC/m C/km
C/m 1 1000 1e+06 1e+09 1000
mC/m 0.001 1 1000 1e+06 1
uC/m 1e-06 0.001 1 1000 0.001
nC/m 0 1e-06 0.001 1 1e-06
C/km 0.001 1 1000 1e+06 1

Each cell shows the factor to convert 1 unit of the row header into the column header.

Highlighted diagonal cells represent identity conversions (1:1).