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Milliwatt-hours to Kilojoules conversion

Milliwatt-hours to Kilojoules conversion table

Milliwatt-hours (mWh)Kilojoules (kJ)
00
10.0036
20.0072
30.0108
40.0144
50.018
60.0216
70.0252
80.0288
90.0324
100.036
200.072
300.108
400.144
500.18
600.216
700.252
800.288
900.324
1000.36
10003.6

How to convert milliwatt-hours to kilojoules?

Certainly! To understand how to convert milliwatt-hours (mWh) to kilojoules (kJ), we need to delve into the relationship between these units of energy.

Conversion Process:

1 milliwatt-hour (mWh) represents the energy consumed when a device using 1 milliwatt of power runs for one hour.

First, remember that: 1 watt-hour (Wh) = 3600 joules (J) (Since 1 watt = 1 joule/second, and there are 3600 seconds in an hour)

Now, let's break down these steps:

  1. Convert milliwatt-hours to watt-hours:

    • 1 mWh = 0.001 Wh (Because 1 milliwatt = 0.001 watt)

  2. Convert watt-hours to joules:

    • 0.001 Wh = 0.001 * 3600 J = 3.6 J

  3. Convert joules to kilojoules:

    • 3.6 J = 0.0036 kJ (Because 1 kilojoule = 1000 joules)

So, 1 milliwatt-hour (mWh) is equivalent to 0.0036 kilojoules (kJ).

Real World Examples:

To give you an idea of other quantities of milliwatt-hours and how they translate into kilojoules:

  1. 10 mWh to kJ:

    • 10 mWh = 10 * 0.0036 kJ = 0.036 kJ

  2. 50 mWh to kJ:

    • 50 mWh = 50 * 0.0036 kJ = 0.18 kJ

  3. 100 mWh to kJ:

    • 100 mWh = 100 * 0.0036 kJ = 0.36 kJ

  4. 500 mWh to kJ:

    • 500 mWh = 500 * 0.0036 kJ = 1.8 kJ

Context in Real World Scenarios:

  1. Small Gadgets: A tiny electronic sensor might consume 1 mWh of energy, equating to 0.0036 kJ.

  2. Wearable Technology: A smart fitness band might use around 100 mWh over a day, translating to 0.36 kJ.

  3. Remote Controls: A remote control for home appliances could use 10 mWh for a few days of usage, which equates to 0.036 kJ.

Using these conversions, we can better understand and compare energy consumption in various devices and contexts.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Kilojoules to other unit conversions.

What is milliwatt-hours?

A Milliwatt-hour is a unit of energy and its units, kWh, are formed with W for watt and h for hour from SI unit system combined with letter m, metric prefix, for 0.001 or 10−310^{-3}. Its definition, in the context of electricity, is the energy of one watt power flowing for one hour.

Followings equivalent equations are identical but in different units. Please note that factor 10−310^{-3} is representing Milli prefix in mWh unit.

1mWh=10−3∗Pt=10−3∗IVt=3600∗10−3∗J=2.247∗1022∗10−3eV=8.598∗105∗10−3cal1 mWh = 10^{-3}*Pt = 10^{-3}*IVt = 3600 * 10^{-3}*J = 2.247 * 10^{22} * 10^{-3} eV = 8.598*10^5 * 10^{-3} cal

P−PowerP - Power
t−Time (in hours. Multiply by 3600 to convert to seconds)t - Time \text{ (in hours. Multiply by 3600 to convert to seconds)}
I−CurrentI - Current V−VoltsV - Volts
J−JoulesJ - Joules
eV−ElectronvolteV - Electronvolt
cal−Caloriescal - Calories

Wikipedia page for Kilowatt-hour (watt-hour redirected to kWh) UCI article on Energy Units and Conversions Ian Woofenden's explanation on difference between Watts and Watt-Hours

What is kilojoules?

Kilojoules (kJ) are a unit of energy, specifically a measure of the amount of energy required to raise the temperature of 1 kilogram of water by 1 degree Celsius.

In other words, it's a way to quantify the amount of energy that something contains or releases. Kilojoules are commonly used in science, technology, and everyday life to express the energy content of various things, such as:

  • Foods: The energy content of foods is often listed in kilojoules (kJ) on nutrition labels.
  • Electrical appliances: The power consumption of devices like refrigerators or televisions is sometimes expressed in kilowatts (kW), which can be converted to kilojoules per second.
  • Chemical reactions: In chemistry, kilojoules are used to express the energy released or absorbed during chemical reactions.

To put it into perspective:

  • A typical snack bar might have around 400-600 kJ of energy content
  • A standard household light bulb uses about 60 W (which is equivalent to approximately 360 kJ per hour)
  • The kinetic energy of a human running at a moderate pace is around 500-700 kJ per minute

So, kilojoules are simply a way to measure and express the amount of energy in various forms.

Complete Milliwatt-hours conversion table

Enter # of Milliwatt-hours
Convert 1 mWh to other unitsResult
Milliwatt-hours to Watt-seconds (mWh to Ws)3.6
Milliwatt-hours to Watt-minutes (mWh to Wm)0.06
Milliwatt-hours to Watt-hours (mWh to Wh)0.001
Milliwatt-hours to Kilowatt-hours (mWh to kWh)0.000001
Milliwatt-hours to Megawatt-hours (mWh to MWh)1e-9
Milliwatt-hours to Gigawatt-hours (mWh to GWh)1e-12
Milliwatt-hours to Joules (mWh to J)3.6
Milliwatt-hours to Kilojoules (mWh to kJ)0.0036
Milliwatt-hours to Megajoules (mWh to MJ)0.0000036
Milliwatt-hours to Gigajoules (mWh to GJ)3.6e-9
Milliwatt-hours to calories (mWh to cal)0.8604206500956
Milliwatt-hours to Kilocalories (mWh to kcal)0.0008604206500956

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