H
Henry
Common System

Henry (H)

The henry (H) is the SI unit of electrical inductance—one henry induces 1 volt when current changes at 1 ampere per second. Large transformers and chokes range from 0.1-10 H. Car ignition coils: 3-8 H. Named after American scientist Joseph Henry. Formula: V = L × di/dt.

Convert From Henries

Convert To Henries

Conversion Factors

1 H 1e-6 mH
1 H 1000000 μH
1 H 1000000000 nH
1 H 1e12 pH
1 H 1e15 fH
1 H 0.001 kH
1 H 1e-6 MH
1 H 1000000000 abH
1 H 1.1126500561e-12 statH
1 H 1.1126500561e-12 esu
1 H 1000000000 emu

Related Units