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Electron-volt to Attojoule (eV to aJ) (aJ) Converter

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Live Conversion • ISO 80000-5:2019 Certified
1 Electron-volt = 0.16021767 Attojoule
1 eV = 0.160218 aJ • 1 aJ = 6.241509 eV
Electron-volt to Attojoule: One Electron-volt is equal to 0.16021767 Attojoules.
Certified Authority Value
0.16021767
aJ
Exact: 1 aJ ≡ 6.241509 eV
eV
eV
Swap to Attojoule to Electron-volt
aJ
aJ 0.16021767
Quick Values:
1 eV 5 eV 10 eV 25 eV 50 eV 100 eV 250 eV 500 eV 1,000 eV
Conversion Formula
To convert Electron-volt to Attojoule, multiply by 0.16021767
eV × 0.16021767 = aJ

Calculation: 1 eV × 0.16021767 = 0.16021767 aJ

Common Electron-volt to Attojoule Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Electron-volt (eV) and Attojoule (aJ).

Tap any row to calculate
Electron-volt to Attojoule: Primary Direct Table (15 Steps)
Electron-volt to Attojoule Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 eV is equal to 0.000160218 aJ (Attojoule) 1.602 × 10⁻⁴
0.01 eV is equal to 0.00160218 aJ (Attojoule) 1.602 × 10⁻³
0.1 eV is equal to 0.0160218 aJ (Attojoule) 1.602 × 10⁻²
0.5 eV is equal to 0.0801088 aJ (Attojoule) 8.011 × 10⁻²
1 eV is equal to 0.160218 aJ (Attojoule) 1.602 × 10⁻¹
2 eV is equal to 0.320435 aJ (Attojoule) 3.204 × 10⁻¹
5 eV is equal to 0.801088 aJ (Attojoule) 8.011 × 10⁻¹
10 eV is equal to 1.602177 aJ (Attojoule) 1.602 × 10⁰
20 eV is equal to 3.204353 aJ (Attojoule) 3.204 × 10⁰
25 eV is equal to 4.005442 aJ (Attojoule) 4.005 × 10⁰
50 eV is equal to 8.010883 aJ (Attojoule) 8.011 × 10⁰
100 eV is equal to 16.021767 aJ (Attojoule) 1.602 × 10¹
250 eV is equal to 40.054416 aJ (Attojoule) 4.005 × 10¹
500 eV is equal to 80.108833 aJ (Attojoule) 8.011 × 10¹
1000 eV is equal to 160.217665 aJ (Attojoule) 1.602 × 10²
Attojoule to Electron-volt: Reciprocal Summary
Attojoule to Electron-volt Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 aJ is equal to 6.241509 eV (Electron-volt) 6.242 × 10⁰
5 aJ is equal to 31.207545 eV (Electron-volt) 3.121 × 10¹
10 aJ is equal to 62.41509 eV (Electron-volt) 6.242 × 10¹
50 aJ is equal to 312.07545 eV (Electron-volt) 3.121 × 10²
100 aJ is equal to 624.1509 eV (Electron-volt) 6.242 × 10²
View Complete 15-Row Attojoule to Electron-volt Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Electron-volt (eV) and Attojoule (aJ):

Electron-volt References:

  • Single optical green visible light photon quantum energy (532 nm) 2.33 eV
  • Carbon-carbon covalent single chemical bond dissociation energy 3.6 eV
  • Silicon semiconductor material electronic bandgap energy at room temperature 1.12 eV

Attojoule References:

  • Theoretical minimum switching energy required to toggle a magnetic nanoscopic memory bit 1 aJ

Tap any benchmark above to automatically calculate its exact equivalent in Attojoule.

ISQ Dimension: [M L² T⁻²] Coherent SI Unit: joule (J) Chemical Engineering, Solutions & Physical Chemistry

How to Convert Electron-volt to Attojoule

Converting Electron-volt (eV) to Attojoule (aJ) is a core calculation in Energy and Work, which quantifies the physical capacity to perform mechanical work, generate heat, or emit electromagnetic radiation. Because Attojoule is a broader physical scale than Electron-volt, converting from eV to aJ condenses the numerical figure. It takes 6.241509 Electron-volt to equal a single Attojoule (1 eV = 0.160218 aJ). To convert any quantity, multiply by 0.160218 (or divide by 6.241509).

Direct Factor1 eV = 0.160218 aJ
Inverse Ratio1 aJ = 6.241509 eV
Conversion ScaleDirect Proportional Magnitude Compression
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (joule (J)) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 eV = 1.602177 × 10⁻¹⁹ joule (J)
2. Target SI Bridge (ktarget):1 aJ = 1 × 10⁻¹⁸ joule (J)
Step-by-step substitution for Electron-volt → Attojoule:V(aJ) = V(eV) × ( 1.602177 × 10⁻¹⁹ / 1 × 10⁻¹⁸ ) = V(eV) × 0.160218
Mathematical FormulaValue in Attojoule = Value in Electron-volt × 0.16021767Direct computational formula applied for standard conversion.
Worked Example

Converting 15 eV yields an exact output of 2.403265 aJ in Attojoule. Under higher industrial throughput, 10000 eV translates to 1602.176653 aJ.

Inverse check: 1 aJ = 6.241509 eV.

Understanding Electron-volt and Attojoule

Electron-volt

eV
Standard Unit

An Electron-volt (eV) is a recognized unit for energy and work.

Applications & Practical Context

In practical energy terms, a single optical green visible light photon quantum energy (532 nm) equals 2.33 eV, a carbon-carbon covalent single chemical bond dissociation energy equals 3.6 eV, a silicon semiconductor material electronic bandgap energy at room temperature equals 1.12 eV.

Physical Setup

An energy quantity of 1 eV corresponds to 1.602177 × 10⁻¹⁹ J (performing 1.602177 × 10⁻¹⁹ joules of work or heat transfer).

Conversion to SI Unit: joule (J)
1 eV = 1.602177 × 10⁻¹⁹ J

Attojoule

aJ
SI Submultiple

An Attojoule (aJ) is a decimal submultiple of the SI-derived unit for energy and work.

Applications & Practical Context

In practical energy terms, a theoretical minimum switching energy required to toggle a magnetic nanoscopic memory bit equals 1 aJ.

Physical Setup

An energy quantity of 1 aJ corresponds to 1 × 10⁻¹⁸ J (performing 1 × 10⁻¹⁸ joules of work or heat transfer).

Conversion to SI Unit: joule (J)
1 aJ = 1 × 10⁻¹⁸ J

Domain Metrology & Engineering Applications

Governing Law & Equation

First Law of Thermodynamics (Conservation of Energy: ΔU = Q - W)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using isoperibol bomb calorimeters, optical laser pulse joulemeters, and digital revenue-grade electric energy meters.

Primary Industry Sectors

Applied across electric power utility metering, thermal energy storage design, chemical plant process enthalpies, and ballistic impact engineering under international metrology standard ISO 80000-5:2019, NIST SP 811.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering ReferenceReference ValueConverted to Attojoule
Single optical green visible light photon quantum energy (532 nm)2.33 eV0.373307 aJ
Carbon-carbon covalent single chemical bond dissociation energy3.6 eV0.576784 aJ
Silicon semiconductor material electronic bandgap energy at room temperature1.12 eV0.179444 aJ
Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-5:2019, NIST SP 811 and the BIPM SI Brochure (9th Edition). Governed by First Law of Thermodynamics (Conservation of Energy: ΔU = Q - W) under ISO 80000 dimensional vector [M L² T⁻²].

Multi-Variable Engineering Bridge Grid Energy & Industrial Work

Continuous Power & Operating Duration Bridge (kWh • Megajoules • BTU • Average Power • Battery Runtime)

Bridge instantaneous work rate [M L² T⁻³] and accumulated energy consumption [M L² T⁻²] over operational shifts and duty cycles via the work-power equation E = P × t.

E = P × t
Live Calculated Bridge Equivalent:
1 eV at 1-Hour Standard Benchmark Runtime = 1.6022 × 10⁻²² kWh
Equals 5.7678 × 10⁻²² MJ • 5.47 × 10⁻¹⁹ BTU • 5.77 × 10⁻¹⁶ J
Utility Standard
1.6022 × 10⁻²²
kWh
Kilowatt-Hours
SI Metric Energy
5.7678 × 10⁻²²
MJ
Megajoules
HVAC & Thermal
5.47 × 10⁻¹⁹
BTU
British Thermal Units
SI Base Unit
5.77 × 10⁻¹⁶
J
Joules
Grid Power Scale
1.602177 × 10⁻²⁵
MWh
Megawatt-Hours
Mechanical Work
2.1486 × 10⁻²²
hp·h
Horsepower-Hours
  1. 1. Normalize Input to SI Base Unit (W):
    P = 1 eV × 1.60217665 × 10⁻¹⁹ = 1.60217665 × 10⁻¹⁹ W
  2. 2. Apply Engineering Parameter (t):
    Selected condition: 1-Hour Standard Benchmark Runtime at t = 3600 Seconds / Hours
  3. 3. Execute Governing Physical Law in SI Units:
    E = P × t = (1.60217665 × 10⁻¹⁹) × (3600) = 5.767836 × 10⁻¹⁶ J
  4. 4. Convert to Standard Engineering Units:
    • kWh: 5.767836 × 10⁻¹⁶ × 2.7778 × 10⁻⁷ = 1.6022 × 10⁻²² kWh (Kilowatt-Hours) • MJ: 5.767836 × 10⁻¹⁶ × 1 × 10⁻⁶ = 5.7678 × 10⁻²² MJ (Megajoules) • BTU: 5.767836 × 10⁻¹⁶ × 0.0009478 = 5.47 × 10⁻¹⁹ BTU (British Thermal Units) • J: 5.767836 × 10⁻¹⁶ × 1 = 5.77 × 10⁻¹⁶ J (Joules) • MWh: 5.767836 × 10⁻¹⁶ × 2.7778 × 10⁻¹⁰ = 1.602177 × 10⁻²⁵ MWh (Megawatt-Hours) • hp·h: 5.767836 × 10⁻¹⁶ × 3.7251 × 10⁻⁷ = 2.1486 × 10⁻²² hp·h (Horsepower-Hours)
Explore Full Power Converter →
Engineering Substance / Operating Standard Parameter Value (Seconds / Hours) Reference State / Condition Typical Industrial & Engineering Application
1-Second Pulse (Inrush / Circuit Breaker) 1 1.0 second Motor inrush peak & capacitor discharge
1-Minute Short Cycle (Microwave / Lift) 60 60 seconds Elevator transit & commercial appliance duty
1-Hour Standard Benchmark Runtime 3600 3,600 seconds Standard utility kilowatt-hour energy basis
8-Hour Factory Shift (Industrial Machinery) 28800 8.0 hours Single industrial production line workday
24-Hour Continuous Day (Data Center / Pump) 86400 24.0 hours Always-on server racks & municipal water treatment
7-Day Continuous Week (Chemical Refining) 604800 168.0 hours Continuous manufacturing process plant run
30-Day Monthly Billing Cycle 2592000 720.0 hours Electric utility meter billing period
365-Day Annual Base Load Operation 3.1536 × 10⁷ 8,760 hours Grid generator annual capacity factor calculation
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Frequently Asked Questions

The mathematical formula to convert electron-volts to attojoules is: [value] * 0.16021767 = attojoules. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from attojoules back to electron-volts, you must divide your starting value by 0.16021767. Our bidirectional tool automatically computes this inverse equation the moment you type into the attojoule input field.

1 Attojoule is larger than 1 Electron-volt. Specifically, 1 Electron-volt equals 0.16021767 attojoules, meaning 1 Attojoule is 6.2415 times larger than 1 Electron-volt (a difference of 0.80 orders of magnitude). Expressing measurements in electron-volts requires a larger numerical value to represent the equivalent physical magnitude.

A typical single optical green visible light photon quantum energy (532 nm) measures 2.33 eV, which corresponds to 0.3733 Attojoule (Attojoule).

One electron-volt equals exactly 0.160218 aJ. Since an attojoule is 10⁻¹⁸ Joules, the electron-volt (1.602176634 × 10⁻¹⁹ J) maps directly to 0.1602176634 aJ.

To calculate attojoules from electron-volts, use the direct multiplication formula:
V(aJ) = V(eV) × 0.160218
For instance, 10 eV equals 1.60218 aJ.

To convert attojoules into electron-volts, multiply the attojoule measurement by 6.24151:
V(eV) = V(aJ) × 6.24151
This straightforward ratio (1 aJ ≈ 6.24151 eV) makes converting subatomic unit scales exceptionally clear.

Attojoule-scale energy dissipation (aJ) represents the physical Landauer limit benchmark for single-photon switches, quantum dots, and next-generation ultra-low-power neuromorphic processors.

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