Simplify the following text for a Grade 12 native English-speaking person.
Original: The SI unit measuring magnetic field B ( also referred to as the magnetic flux density and magnetic induction ) , the tesla , was named in his honor ( at the CGPM , Paris , 1960 ) .
Simplified: The SI unit measuring magnetic flux density or magnetic induction ( commonly known as the magnetic field ) , the tesla , was named in his honor .