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Convert Electronvolt to Watt-hour.

Input the value of electronvolts below to convert instantly to watt-hours with standard conversions, definitions, and equations.

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Wh
Value in Watt-hours = Value in Electronvolts × 4.4505e-23 Multiply the value in electronvolts by the conversion factor 4.4505e-23.

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How to Convert Electronvolts to Watt-hours

To convert electronvolt to watt-hour, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.

electronvolt-to-watt-hour-formula.py
# Mathematical Formula
Value in Watt-hours = Value in Electronvolts × 4.4505e-23
# Worked Example (5 eV)
5 eV × 4.4505e-23 = 0.0000 Wh
What is a Electronvolt?

Electronvolt (eV)

Tiny energy unit standard in particle physics, kinetic energy gained by a single electron moving through a 1V potential.

What is a Watt-hour?

Watt-hour (Wh)

Energy equivalent to one Watt of power sustained for one hour.

Electronvolt to Watt-hour Conversion Table

Electronvolt (eV) Watt-hour (Wh)
1 eV 4.4505e-23 Wh
2 eV 8.9010e-23 Wh
3 eV 1.3351e-22 Wh
5 eV 2.2252e-22 Wh
10 eV 4.4505e-22 Wh
15 eV 6.6757e-22 Wh
20 eV 8.9010e-22 Wh
25 eV 1.1126e-21 Wh
50 eV 2.2252e-21 Wh
100 eV 4.4505e-21 Wh
250 eV 1.1126e-20 Wh
500 eV 2.2252e-20 Wh
1000 eV 4.4505e-20 Wh

Watt-hour to Electronvolt Conversion Table

Watt-hour (Wh) Electronvolt (eV)
1 Wh 2.2469e+22 eV
2 Wh 4.4939e+22 eV
3 Wh 6.7408e+22 eV
5 Wh 1.1235e+23 eV
10 Wh 2.2469e+23 eV
15 Wh 3.3704e+23 eV
20 Wh 4.4939e+23 eV
25 Wh 5.6174e+23 eV
50 Wh 1.1235e+24 eV
100 Wh 2.2469e+24 eV
250 Wh 5.6174e+24 eV
500 Wh 1.1235e+25 eV
1000 Wh 2.2469e+25 eV
Questions

Frequently Asked Questions

How do I convert electronvolts to watt-hours?

Multiply the value in electronvolts by the conversion factor 4.450491e-23. For example, to convert 5 electronvolts to watt-hours: 5 × 4.450491e-23 = 0.0000 Wh.

What is the conversion factor from electronvolt to watt-hour?

The conversion factor is 4.450491e-23. One electronvolt is equal to 4.450491e-23 watt-hours.

What is the reverse conversion from watt-hour to electronvolt?

To convert watt-hours back to electronvolts, multiply by 2.246943e+22 (or divide the value by 4.450491e-23). One watt-hour is equal to 2.246943e+22 electronvolts.

How many Joules are in 1 Kilowatt-hour (kWh)?

There are exactly 3,600,000 Joules (or 3.6 Megajoules) in 1 kWh.

What is the difference between a calorie and a Calorie?

A lowercase calorie (cal) is a small metric unit (4.184 J). A capitalized Calorie (Cal) is a food calorie, which is actually a kilocalorie (1,000 small calories or 4,184 J).

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