# Magnetic field unit conversion

1. Jul 24, 2006

### Amith2006

# If the magnetic field is Oersted, how to convert it into Tesla? Suppose the magnetic field is 50 Oersted, in Tesla what is the magnetic field?

2. Jul 25, 2006

### nazzard

Hello Amith2006,

the following relation for magnetic field strength given in Ampere A/metre m and Oersted Oe holds true for vacuum and matter:

$$1\,\frac{A}{m}=4\pi\,10^{-3}\,Oe$$

In vacuum a magnetic field strength of $1\,\frac{A}{m}$ will lead to a magnetic flux density of $4\pi\,10^{-7}\,T$.

Regards,

nazzard

Last edited: Jul 25, 2006