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Unit of Measure and Conversion Factors

Unit of Measure Systems
UnitSymbolcgs SystemSI SystemEnglish System
FluxØMaxwellweberMaxwell
Flux DensityBGaussTeslalines/in2
Magnetomotive ForceFgilbertampere turnampere turn
Magnetizing ForceHOerstedampere turns/mampere turns/m
LengthLcmmin
Permeability of a vacuumμν10.4π x 10.63.192

 

Conversion Factors  
MultiplyByTo Obtain
inches2.54centimeters
lines/in2.155Gauss
lines/in21.55 x 105Tesla
Gauss6.45lines/in2
Gauss10.4Tesla
Gilberts0.79577ampere turns
Oersteds79.577ampere turns/m
Ampere turns0.4πGilberts
Ampere turns/in0.495Oersteds
Ampere turns/in39.37Ampere turns/in

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Did You Know?

When designing near the limits of a magnet’s max operating temperature, knowing your magnet’s load line is extremely important.

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