An Attohenry (aH) equals 1e-18 henry(s), a scaled unit of inductance used for atto-scale electrical work.
Attohenrys to Petahenrys
Convert Attohenry (aH) to Petahenry (PH) instantly with an exact formula, conversion table, and FAQ.
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Convert attohenrys (aH) to petahenrys (PH) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Petahenry (PH) equals 1e+15 henry(s), a scaled unit of inductance used for peta-scale electrical work.
PH = aH × 1.000000e-33
Results update instantly for Attohenrys to Petahenrys conversions.
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Formula
PH = aH × 1.000000e-33
aH = PH × 1.000000e+33
Conversion table
| 1 aH | 1.000000e-33 PH |
| 5 aH | 5.000000e-33 PH |
| 10 aH | 1.000000e-32 PH |
| 20 aH | 2.000000e-32 PH |
| 50 aH | 5.000000e-32 PH |
| 100 aH | 1.000000e-31 PH |
| 500 aH | 5.000000e-31 PH |
| 1000 aH | 1.000000e-30 PH |
Related conversions
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How the formula works
Both attohenry and petahenry measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in attohenrys by 1.000000e-33 to get petahenrys. To reverse the conversion, multiply a petahenry value by 1.000000e+33 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 Petahenry (PH)?
A Petahenry (PH) equals 1e+15 henry(s), a scaled unit of inductance used for peta-scale electrical work.
How do I convert attohenrys to petahenrys?
Multiply the attohenry value by 1.000000e-33 to get the equivalent in petahenrys. For example, 5 aH × 1.000000e-33 = 5.000000e-33 PH.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1.000000e-33 is an exact, non-rounded value.
Can I convert petahenrys back to attohenrys?
Yes. Divide the petahenry value by 1.000000e-33, or multiply it by 1.000000e+33, to get attohenrys.
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About converting attohenrys to petahenrys
An Attohenry (aH) equals 1e-18 henry(s), a scaled unit of inductance used for atto-scale electrical work. A Petahenry (PH) equals 1e+15 henry(s), a scaled unit of inductance used for peta-scale electrical work.
Use this calculator to move between attohenrys and petahenrys accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.