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Magnetic Field Strength Converter
| QUANTITY | SYMBOL | SI UNIT | SI EQUATION | CGS UNIT | CGS EQUATION | CONVERSION FACTOR |
| Magnetic induction |
B | tesla (T) | B=µo(H+M) =µrµoH |
gauss (G) | B
= H+4πM =µrH |
1 T = 104 G |
| Magnetic field strength | H | ampere/ meter (A/m) |
H
= N×I/lc ( lc - magnetic path, m) |
oersted (Oe) | H
= 0.4πN×I/lc (lc - magnetic path, cm) |
1 A/m = 4π×10-3 Oe |
| Magnetic flux | Φ | weber (Wb) | Φ
=
B×Ac (Ac - area, m2 ) |
maxwell (M) | Φ
=
B×Ac (Ac- area, cm2) |
1 Wb = 108 M |
| Magnetization | M | ampere/ meter (A/m) | M=m/V (m- total magnetic moment, V- volume, m3 ) |
emu/cm3 | M=m/V (m- total magnetic moment, V- volume, cm3 ) |
1
A/m = 10-3 emu / cm3 |
| Magnetic permeability of vacuum |
µo | newton/
ampere2 |
µo= 4π×10-7 | 1 | - | 4π×10-7 |
| Inductance | L | henry | L=μoμN2Ac/lc (Ac- area, m2, lc - magnetic path, m) |
henry | L=0.4πμN2Ac/lc×10-8 (Ac-area, cm2, lc - magnetic path, cm) |
1 |
| Emf (voltage) | V | volt | V=-N×dΦ/dt |
volt | V=-10-8N×dΦ/dt |
1 |
| Note: in the above equations: N- turns, I - current (in amps) | ||||||
