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Kilowatt-hours to Milliwatt-hours conversion

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How to convert kilowatt-hours to milliwatt-hours

1 kilowatt-hours (kWh) is equal to 1×10^6 milliwatt-hours (mWh). Conversely, 1 milliwatt-hours (mWh) is equal to 1×10^-6 kilowatt-hours (kWh).

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 Milliwatt-hours to other unit conversions.

Step by step guide to convert kilowatt-hours to milliwatt-hours

Convert base units

Here, since the units are same, we just need to convert the metric prefix

1 Kilo=106Millie1\ Kilo = 10^{6} Millie

Substitute to calculate mWh

1 kWh=106mWh1\ kWh = 10^{6} mWh

Wikipedia page for Watt hour

What is kilowatt-hours?

A Kilowatt-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 k, metric prefix, for 1,000 or 10310^3. 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 10310^3 is representing Kilo prefix in kWh unit.

1kWh=103∗Pt=103∗IVt=3600∗103∗J=2.247∗1022∗103eV=8.598∗105∗103cal1 kWh = 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 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

Complete Kilowatt-hours conversion table

Enter # of Kilowatt-hours
Convert 1 kWh to other unitsResult
Kilowatt-hours to Watt-seconds (kWh to Ws)3600000
Kilowatt-hours to Watt-minutes (kWh to Wm)60000
Kilowatt-hours to Watt-hours (kWh to Wh)1000
Kilowatt-hours to Milliwatt-hours (kWh to mWh)1000000
Kilowatt-hours to Megawatt-hours (kWh to MWh)0.001
Kilowatt-hours to Gigawatt-hours (kWh to GWh)0.000001
Kilowatt-hours to Joules (kWh to J)3600000
Kilowatt-hours to Kilojoules (kWh to kJ)3600
Kilowatt-hours to Megajoules (kWh to MJ)3.6
Kilowatt-hours to Gigajoules (kWh to GJ)0.0036
Kilowatt-hours to calories (kWh to cal)860420.6500956023
Kilowatt-hours to Kilocalories (kWh to kcal)860.4206500956022
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