About this converter
Linear charge density measures electric charge per unit length along a line, wire, or idealized charged path. Coulomb per meter (C/m) is the SI unit, 1 µC/m equals 0.000001 C/m, and 1 C/cm equals 100 C/m.
This converter supports SI, microcoulomb, centimeter, inch, and CGS abcoulomb charge-per-length units. Electrical engineers, antenna designers, electrostatics students, physics researchers, and transmission-line analysts use these conversions for charged wires, line charges, and field calculations.
How to Use This Converter
- Enter the linear charge density value.
- Select the source unit from the From menu.
- Select the target unit from the To menu.
- Read the converted result and formula line.
- Use Swap to reverse the selected units.
Units Covered
| Unit | Symbol | Common Use |
|---|---|---|
| Coulomb per meter | C/m | SI line-charge models and electrostatic field calculations. |
| Microcoulomb per meter | µC/m | Small laboratory charge distributions and wire examples. |
| Coulomb per centimeter | C/cm | Centimeter-scale charged lines and textbook problems. |
| Coulomb per inch | C/in | Inch-based engineering references and wire calculations. |
| Abcoulomb per meter | abC/m | CGS electromagnetic line-charge references. |
| Abcoulomb per centimeter | abC/cm | CGS centimeter-scale electrostatic calculations. |
| Abcoulomb per inch | abC/in | Mixed CGS and inch-based legacy data. |
C/m to µC/m Conversion Table
| From | To |
|---|---|
| 0.000001 C/m | 1 µC/m |
| 0.00001 C/m | 10 µC/m |
| 0.0001 C/m | 100 µC/m |
| 0.001 C/m | 1,000 µC/m |
| 0.005 C/m | 5,000 µC/m |
| 0.01 C/m | 10,000 µC/m |
| 0.05 C/m | 50,000 µC/m |
| 0.1 C/m | 100,000 µC/m |
| 0.5 C/m | 500,000 µC/m |
| 1 C/m | 1,000,000 µC/m |
How to Convert C/m to µC/m
Coulombs per meter to microcoulombs per meter
For example, 0.0025 C/m x 1,000,000 = 2,500 µC/m.
Microcoulombs per meter to coulombs per meter
For example, 7,500 µC/m / 1,000,000 = 0.0075 C/m.
When You Need to Convert Linear Charge Density
Electrostatics exercises often use C/m for ideal line charges, while lab-scale values may be easier to read in µC/m. A line charge of 250 µC/m equals 0.00025 C/m.
Antenna and charged-wire calculations may use centimeters or inches in geometry notes. A value of 0.03 C/cm equals 3 C/m, which is a 100x change from the centimeter denominator.
Older electromagnetic texts can use abcoulomb units. Since 1 abC/m equals 10 C/m, a listed value of 0.2 abC/m converts to 2 C/m before comparing with SI equations.