Henries Conversion

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The henry is a unit used to measure electrical inductance. Use one of the conversion calculators below to convert to another unit of measure, or read on to learn more about henries.

Henry Conversion Calculators

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SI Units
Centimetre–Gram–Second Units

Henry Definition and Usage

One henry is equal to the inductance of a conductor in which there is one volt of electromotive force when the current through the conductor is increased by one ampere per second.[1]

The henry is the SI derived unit for electrical inductance in the metric system. Henries can be abbreviated as H; for example, 1 henry can be written as 1 H.

The National Institute of Standards and Technology recommends using "henries" as the plural form of the unit, however the usage of "henrys" is also common.[2]

Background and Origin

The henry is named after the physicist who discovered electromagnetic induction, Joseph Henry.

Henries Measurement Conversion Table

Common henry values and equivalent imperial and metric electrical inductance measurements
henries microhenries millihenries kilohenries megahenries gigahenries abhenries stathenries
1 H 1,000,000 μH 1,000 mH 0.001 kH 0.000001 MH 0.000000001 GH 1,000,000,000 abH 0.0000000000011127 stH
2 H 2,000,000 μH 2,000 mH 0.002 kH 0.000002 MH 0.000000002 GH 2,000,000,000 abH 0.0000000000022253 stH
3 H 3,000,000 μH 3,000 mH 0.003 kH 0.000003 MH 0.000000003 GH 3,000,000,000 abH 0.000000000003338 stH
4 H 4,000,000 μH 4,000 mH 0.004 kH 0.000004 MH 0.000000004 GH 4,000,000,000 abH 0.0000000000044506 stH
5 H 5,000,000 μH 5,000 mH 0.005 kH 0.000005 MH 0.000000005 GH 5,000,000,000 abH 0.0000000000055633 stH
6 H 6,000,000 μH 6,000 mH 0.006 kH 0.000006 MH 0.000000006 GH 6,000,000,000 abH 0.0000000000066759 stH
7 H 7,000,000 μH 7,000 mH 0.007 kH 0.000007 MH 0.000000007 GH 7,000,000,000 abH 0.0000000000077886 stH
8 H 8,000,000 μH 8,000 mH 0.008 kH 0.000008 MH 0.000000008 GH 8,000,000,000 abH 0.0000000000089012 stH
9 H 9,000,000 μH 9,000 mH 0.009 kH 0.000009 MH 0.000000009 GH 9,000,000,000 abH 0.000000000010014 stH
10 H 10,000,000 μH 10,000 mH 0.01 kH 0.00001 MH 0.00000001 GH 10,000,000,000 abH 0.000000000011127 stH
11 H 11,000,000 μH 11,000 mH 0.011 kH 0.000011 MH 0.000000011 GH 11,000,000,000 abH 0.000000000012239 stH
12 H 12,000,000 μH 12,000 mH 0.012 kH 0.000012 MH 0.000000012 GH 12,000,000,000 abH 0.000000000013352 stH
13 H 13,000,000 μH 13,000 mH 0.013 kH 0.000013 MH 0.000000013 GH 13,000,000,000 abH 0.000000000014464 stH
14 H 14,000,000 μH 14,000 mH 0.014 kH 0.000014 MH 0.000000014 GH 14,000,000,000 abH 0.000000000015577 stH
15 H 15,000,000 μH 15,000 mH 0.015 kH 0.000015 MH 0.000000015 GH 15,000,000,000 abH 0.00000000001669 stH
16 H 16,000,000 μH 16,000 mH 0.016 kH 0.000016 MH 0.000000016 GH 16,000,000,000 abH 0.000000000017802 stH
17 H 17,000,000 μH 17,000 mH 0.017 kH 0.000017 MH 0.000000017 GH 17,000,000,000 abH 0.000000000018915 stH
18 H 18,000,000 μH 18,000 mH 0.018 kH 0.000018 MH 0.000000018 GH 18,000,000,000 abH 0.000000000020028 stH
19 H 19,000,000 μH 19,000 mH 0.019 kH 0.000019 MH 0.000000019 GH 19,000,000,000 abH 0.00000000002114 stH
20 H 20,000,000 μH 20,000 mH 0.02 kH 0.00002 MH 0.00000002 GH 20,000,000,000 abH 0.000000000022253 stH

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References

  1. International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf
  2. Ambler Thompson and Barry N. Taylor, Guide for the Use of the International System of Units (SI), National Institute of Standards and Technology, https://physics.nist.gov/cuu/pdf/sp811.pdf

Other Electrical Inductance Units

SI Units
Centimetre–Gram–Second Units