Oersted (Oe)
CGS unit of magnetic field strength: 1000/(4π) A/m, about 79.57747 A/m.
What is an oersted?
- Symbol
- Oe
- Quantity
- Magnetic Field Strength
- Unit system
- CGS
- Definition
- CGS unit of magnetic field strength: 1000/(4π) A/m, about 79.57747 A/m.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Still common in magnetic materials, magnetic recording and physics research, especially in the United States.
Oersted in other magnetic field strength units
- 1 Oe ≈ 0.7957747155 A/cmAmpere per centimeter
- 1 Oe ≈ 2.021267777 A/inAmpere per inch
- 1 Oe ≈ 79.57747155 A/mOersted to Ampere per meter converter
- 1 Oe ≈ 0.07957747155 kA/mKiloampere per meter
- 1 Oe = 0.001 kOeKilooersted
Oersted quick reference
| Oersted | Ampere per meter | Ampere per centimeter | Ampere per inch |
|---|---|---|---|
| 1 Oe | ≈ 79.57747155 A/m | ≈ 0.7957747155 A/cm | ≈ 2.021267777 A/in |
| 10 Oe | ≈ 795.7747155 A/m | ≈ 7.957747155 A/cm | ≈ 20.21267777 A/in |
| 100 Oe | ≈ 7957.747155 A/m | ≈ 79.57747155 A/cm | ≈ 202.1267777 A/in |
| 1000 Oe | ≈ 79577.47155 A/m | ≈ 795.7747155 A/cm | ≈ 2021.267777 A/in |
Where the oersted fits
The next smaller magnetic field strength unit is the ampere per inch (A/in). 1 Oe ≈ 2.021267777 A/in, and 1 A/in ≈ 0.4947390006 Oe.
The next larger magnetic field strength unit is the ampere per centimeter (A/cm). 1 Oe ≈ 0.7957747155 A/cm, and 1 A/cm ≈ 1.256637061 Oe.
Frequently asked questions
- How many amperes per meter are in one oersted?
- One oersted ≈ 79.57747155 A/m (amperes per meter).
- How many amperes per centimeter are in one oersted?
- One oersted ≈ 0.7957747155 A/cm (amperes per centimeter).
- How many amperes per inch are in one oersted?
- One oersted ≈ 2.021267777 A/in (amperes per inch).