About this converter
Linear current density measures electric current per unit length. Ampere per meter (A/m) is the SI-style base unit used here, 1 A/cm equals 100 A/m, and 1 oersted or 1 gilbert per centimeter equals about 79.5774 A/m for magnetic field intensity comparisons.
This converter supports SI, engineering, inch-based, and CGS electromagnetic units. Electrical engineers, electromagnetics students, magnetic-core designers, coil designers, and physics researchers use these conversions when comparing current sheets, magnetic field intensity, and older CGS references.
How to Use This Converter
- Enter the linear current 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 |
|---|---|---|
| Ampere per meter | A/m | SI magnetic field intensity and current-per-length calculations. |
| Milliampere per meter | mA/m | Small current-density values and sensitive measurements. |
| Ampere per centimeter | A/cm | Compact coil and laboratory electromagnetic calculations. |
| Ampere per inch | A/in | US engineering references and inch-based designs. |
| Abampere per meter | abA/m | CGS electromagnetic current-density references. |
| Abampere per centimeter | abA/cm | CGS centimeter-scale magnetic calculations. |
| Abampere per inch | abA/in | Mixed CGS and inch-based electromagnetic data. |
| Oersted | Oe | CGS magnetic field intensity and older magnetics literature. |
| Gilbert per centimeter | Gi/cm | CGS magnetomotive force per length. |
A/m to Oersted Conversion Table
| From | To |
|---|---|
| 1 A/m | 0.0125664 Oe |
| 5 A/m | 0.0628319 Oe |
| 10 A/m | 0.125664 Oe |
| 25 A/m | 0.314159 Oe |
| 50 A/m | 0.628319 Oe |
| 79.5774 A/m | 1 Oe |
| 100 A/m | 1.25664 Oe |
| 250 A/m | 3.14159 Oe |
| 500 A/m | 6.28319 Oe |
| 1,000 A/m | 12.5664 Oe |
How to Convert A/m to Oersted
Ampere per meter to oersted
For example, 500 A/m / 79.5774 = 6.28319 Oe.
Oersted to ampere per meter
For example, 12 Oe x 79.5774 = 954.929 A/m.
When You Need to Convert Linear Current Density
Magnetics data often mixes A/m in modern SI work with oersted in older CGS references. A magnetic field intensity of 1000 A/m equals 12.5664 Oe, which helps compare test data with older core-material charts.
Coil and winding calculations may use A/cm or A/in when dimensions are written in centimeters or inches. A value of 2 A/cm equals 200 A/m, making it easier to plug into SI electromagnetic equations.
Research papers and legacy handbooks may use abampere-based units. Since 1 abA/m equals 10 A/m, converting the unit first prevents a factor-of-10 error in magnetic-field calculations.