Skip to main content
0 results ↑ ↓ navigate, ↵ select

Electron-volt to Millijoule (eV to mJ) (mJ) Converter

Rate this converter 0 of 0 ratings
Live Conversion • ISO 80000-5:2019 Certified
1 Electron-volt = 1.60217665 × 10⁻¹⁶ Millijoule
1 eV = 1.602177 × 10⁻¹⁶ mJ • 1 mJ = 6.241509 × 10¹⁵ eV
Electron-volt to Millijoule: One Electron-volt is equal to 1.60217665 × 10⁻¹⁶ Millijoules.
Certified Authority Value
0.00000000
mJ
Exact: 1 mJ ≡ 6.241509 × 10¹⁵ eV
eV
eV
Swap to Millijoule to Electron-volt
mJ
mJ 1.60217665 × 10⁻¹⁶
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 Millijoule, multiply by 1.60217665 × 10⁻¹⁶
eV × 1.60217665 × 10⁻¹⁶ = mJ

Calculation: 1 eV × 1.60217665 × 10⁻¹⁶ = 1.60217665 × 10⁻¹⁶ mJ

Common Electron-volt to Millijoule Calculations

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

Tap any row to calculate
Millijoule to Electron-volt: Reciprocal Summary
Millijoule to Electron-volt Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 mJ is equal to 6.241509 × 10¹⁵ eV (Electron-volt) 6.242 × 10¹⁵
5 mJ is equal to 3.120754 × 10¹⁶ eV (Electron-volt) 3.121 × 10¹⁶
10 mJ is equal to 6.241509 × 10¹⁶ eV (Electron-volt) 6.242 × 10¹⁶
50 mJ is equal to 3.120754 × 10¹⁷ eV (Electron-volt) 3.121 × 10¹⁷
100 mJ is equal to 6.241509 × 10¹⁷ eV (Electron-volt) 6.242 × 10¹⁷
View Complete 15-Row Millijoule to Electron-volt Table

Real-World Context & Everyday Benchmarks

Tap to load into converter

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

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

Millijoule References:

  • Optical pulse energy of a professional photography camera xenon strobe flash 10 mJ
  • Kinetic energy of a small housefly insect cruising in flight 0.05 mJ

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

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

How to Convert Electron-volt to Millijoule

Converting Electron-volt (eV) to Millijoule (mJ) is a core calculation in Energy and Work, which quantifies the physical capacity to perform mechanical work, generate heat, or emit electromagnetic radiation. Because Millijoule is a broader physical scale than Electron-volt, converting from eV to mJ condenses the numerical figure. It takes 6.241509 × 10¹⁵ Electron-volt to equal a single Millijoule (1 eV = 1.602177 × 10⁻¹⁶ mJ). To convert any quantity, multiply by 1.602177 × 10⁻¹⁶ (or divide by 6.241509 × 10¹⁵).

Direct Factor1 eV = 1.602177 × 10⁻¹⁶ mJ
Inverse Ratio1 mJ = 6.241509 × 10¹⁵ 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 mJ = 0.001 joule (J)
Step-by-step substitution for Electron-volt → Millijoule:V(mJ) = V(eV) × ( 1.602177 × 10⁻¹⁹ / 0.001 ) = V(eV) × 1.602177 × 10⁻¹⁶
Mathematical FormulaValue in Millijoule = Value in Electron-volt × 1.60217665 × 10⁻¹⁶Direct computational formula applied for standard conversion.
Worked Example

For an engineering input of 15 eV, applying the conversion factor yields exactly 2.403265 × 10⁻¹⁵ mJ. At larger operational scale, 100 Electron-volt corresponds to 1.602177 × 10⁻¹⁴ mJ.

Inverse check: 1 mJ = 6.241509 × 10¹⁵ eV.

Understanding Electron-volt and Millijoule

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

Millijoule

mJ
SI Submultiple

A Millijoule (mJ) is a decimal submultiple of the SI-derived unit for energy and work.

Applications & Practical Context

In practical energy terms, a optical pulse energy of a professional photography camera xenon strobe flash equals 10 mJ, a kinetic energy of a small housefly insect cruising in flight equals 0.05 mJ.

Physical Setup

An energy quantity of 1 mJ corresponds to 0.001 J (performing 0.001 joules of work or heat transfer).

Conversion to SI Unit: joule (J)
1 mJ = 0.001 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 Millijoule
Single optical green visible light photon quantum energy (532 nm)2.33 eV3.733072 × 10⁻¹⁶ mJ
Carbon-carbon covalent single chemical bond dissociation energy3.6 eV5.767836 × 10⁻¹⁶ mJ
Silicon semiconductor material electronic bandgap energy at room temperature1.12 eV1.794438 × 10⁻¹⁶ mJ
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
Embed
Need this Electron-volt to Millijoule calculator on your website, lab portal, or research blog?
Free HTML Widget 100% Responsive Zero Cookie Tracking
Notice a calculation discrepancy, rounding error, or glitch?
Help us maintain 100% scientific precision and report any issues directly to engineering.

Frequently Asked Questions

There are exactly 1.60217665 × 10⁻¹⁶ millijoules (mJ) in 1 electron-volt (eV). To calculate larger amounts manually, simply multiply your total number of electron-volts by the conversion multiplier of 1.60217665 × 10⁻¹⁶.

The mathematical formula to convert electron-volts to millijoules is: [value] * 1.60217665 × 10⁻¹⁶ = millijoules. 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 millijoules back to electron-volts, you must divide your starting value by 1.60217665 × 10⁻¹⁶. Our bidirectional tool automatically computes this inverse equation the moment you type into the millijoule input field.

1 Millijoule is larger than 1 Electron-volt. Specifically, 1 Electron-volt equals 1.60217665 × 10⁻¹⁶ millijoules, meaning 1 Millijoule is 6.2415 × 10¹⁵ times larger than 1 Electron-volt (a difference of 15.80 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 3.7331 × 10⁻¹⁶ Millijoule (Millijoule).

According to SI energy definitions, 1 eV = 1.60218 × 10⁻¹⁶ mJ. This relationship reflects the conversion of Joules to millajoules (1 J = 10³ mJ).

To convert electron-volts to millajoules, use the formula:
V(mJ) = V(eV) × 1.60218 × 10⁻¹⁶
For instance, a photon energy of 10¹⁶ eV equates to approximately 1.60218 mJ.

To convert millajoules to electron-volts, multiply the millajoule input by 6.24151 × 10¹⁵:
V(eV) = V(mJ) × 6.24151 × 10¹⁵
This inverse relation is essential in optics and semiconductor physics.

Pulsed laser optics measures pulse energies in millajoules (mJ), whereas the photo-ionizing photon transitions in media are quantified in electron-volts (eV). Bridging these scales allows researchers to evaluate beam absorption.

Similar Categories