Appendix b: conversion table for magnetic units, Multiply by above value – ETS-Lindgren 6404 Helmholtz Coil User Manual
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Conversion Table for Magnetic Units
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Appendix B: Conversion Table for Magnetic Units
To Convert From
Unit
System:
SI (MKS)
CGS
Magnetic
Quantity:
B
H B H B
Units
tesla
amp-
turn/m
gauss
oersted gamma
To
tesla 1
4
π x 10
-7†
10
-4
10
-4†
10
-9
amp-
turn/m
7.96 x 10
5‡
1 79.57747
‡
79.57747 7.96 x 10
-4‡
gauss 10
4
4
π x 10
-3†
1
1
†
10
-5
oersted
10
4‡
4
π x 10
-3
1
‡
1 10
-5‡
gamma 10
9
4
π x 10
2†
10
5
10
5†
1
Multiply by above value
†
Assumes
μ
= 1; if
μ
≠1, multiply by value of
μ
to convert from H to B.
‡
Assumes
μ
= 1; if
μ
≠1, divide by value of
μ
to convert from B to H.
1 tesla
≡ 1 weber/m
2
.
For example,
1 tesla = 10
4
gauss.
1 gauss = 79.6 ampere-turns/m in an unloaded coil (
μ
= 1).
If
μ
= 2.50, 1 tesla = 7.96 x 10
5
/ 2.50 = 3.18 x 10
5
amp-turns/m.