An Attohenry (aH) equals 1e-18 henry(s), a scaled unit of inductance used for atto-scale electrical work.
Attohenrys to Quectohenrys
Convert Attohenry (aH) to Quectohenry (qH) instantly with an exact formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Electrical calculator
Electricity Converter
Convert attohenrys (aH) to quectohenrys (qH) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Quectohenry (qH) equals 1e-30 henry(s), a scaled unit of inductance used for quecto-scale electrical work.
qH = aH × 1.000000e+12
Results update instantly for Attohenrys to Quectohenrys conversions.
Reserved above the conversion cards and below the converter.
Formula
qH = aH × 1.000000e+12
aH = qH × 1.000000e-12
Conversion table
| 1 aH | 1.000000e+12 qH |
| 5 aH | 5.000000e+12 qH |
| 10 aH | 1.000000e+13 qH |
| 20 aH | 2.000000e+13 qH |
| 50 aH | 5.000000e+13 qH |
| 100 aH | 1.000000e+14 qH |
| 500 aH | 5.000000e+14 qH |
| 1000 aH | 1.000000e+15 qH |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both attohenry and quectohenry measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in attohenrys by 1.000000e+12 to get quectohenrys. To reverse the conversion, multiply a quectohenry value by 1.000000e-12 to get back to attohenrys.
Frequently asked questions
What is Attohenry (aH)?
An Attohenry (aH) equals 1e-18 henry(s), a scaled unit of inductance used for atto-scale electrical work.
What is Quectohenry (qH)?
A Quectohenry (qH) equals 1e-30 henry(s), a scaled unit of inductance used for quecto-scale electrical work.
How do I convert attohenrys to quectohenrys?
Multiply the attohenry value by 1.000000e+12 to get the equivalent in quectohenrys. For example, 5 aH × 1.000000e+12 = 5.000000e+12 qH.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1.000000e+12 is an exact, non-rounded value.
Can I convert quectohenrys back to attohenrys?
Yes. Divide the quectohenry value by 1.000000e+12, or multiply it by 1.000000e-12, to get attohenrys.
Reserved between the FAQ and the article so the page stays balanced.
About converting attohenrys to quectohenrys
An Attohenry (aH) equals 1e-18 henry(s), a scaled unit of inductance used for atto-scale electrical work. A Quectohenry (qH) equals 1e-30 henry(s), a scaled unit of inductance used for quecto-scale electrical work.
Use this calculator to move between attohenrys and quectohenrys accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.