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Milliwatt-hours to Gigawatt-hours conversion

Milliwatt-hours to Gigawatt-hours conversion table

Milliwatt-hours (mWh)Gigawatt-hours (GWh)
00
11e-12
22e-12
33e-12
44e-12
55e-12
66e-12
77e-12
88e-12
99e-12
101e-11
202e-11
303e-11
404e-11
505e-11
606e-11
707e-11
808e-11
909e-11
1001e-10
10001e-9

How to convert milliwatt-hours to gigawatt-hours?

To convert from milliwatt-hours (mWh) to gigawatt-hours (GWh), you need to understand the relationships between the different units of measurement.

1 gigawatt (GW) is equal to 1,000,000,000 watts (W), and 1 milliwatt (mW) is equal to 1/1,000 of a watt. When converting from mWh to GWh, you need to account for both the milli- and the giga- prefixes.

Here's the step-by-step conversion process:

  1. Start with 1 milliwatt-hour (mWh).
  2. Convert mWh to watt-hours (Wh): 1 mWh=0.001 Wh1 \text{ mWh} = 0.001 \text{ Wh}
  3. Convert Wh to kilowatt-hours (kWh): 0.001 Wh=0.000001 kWh0.001 \text{ Wh} = 0.000001 \text{ kWh}
  4. Convert kWh to megawatt-hours (MWh): 0.000001 kWh=0.000000001 MWh0.000001 \text{ kWh} = 0.000000001 \text{ MWh}
  5. Convert MWh to gigawatt-hours (GWh): 0.000000001 MWh=0.000000000001 GWh0.000000001 \text{ MWh} = 0.000000000001 \text{ GWh}

So, 1 milliwatt-hour (mWh) equals 1×10−121 \times 10^{-12} gigawatt-hours (GWh).

Real-world examples for other quantities of milliwatt-hours:

  1. 10 milliwatt-hours (mWh): 10 mWh=0.01 Wh=0.00001 kWh=10−8 MWh=10−11 GWh10 \text{ mWh} = 0.01 \text{ Wh} = 0.00001 \text{ kWh} = 10^{-8} \text{ MWh} = 10^{-11} \text{ GWh} *Example: A typical LED clock might use around 10 mWh per day to keep its display running.

  2. 100 milliwatt-hours (mWh): 100 mWh=0.1 Wh=0.0001 kWh=10−7 MWh=10−10 GWh100 \text{ mWh} = 0.1 \text{ Wh} = 0.0001 \text{ kWh} = 10^{-7} \text{ MWh} = 10^{-10} \text{ GWh} *Example: Small electronic devices like an electric toothbrush could consume about 100 mWh per day when in standby mode.

  3. 1,000 milliwatt-hours (mWh): 1,000 mWh=1 Wh=0.001 kWh=10−6 MWh=10−9 GWh1,000 \text{ mWh} = 1 \text{ Wh} = 0.001 \text{ kWh} = 10^{-6} \text{ MWh} = 10^{-9} \text{ GWh} *Example: A wristwatch with a digital display might use around 1,000 mWh over a week.

  4. 10,000 milliwatt-hours (mWh): 10,000 mWh=10 Wh=0.01 kWh=0.00001 MWh=10−8 GWh10,000 \text{ mWh} = 10 \text{ Wh} = 0.01 \text{ kWh} = 0.00001 \text{ MWh} = 10^{-8} \text{ GWh} *Example: An average smartphone might consume around 10,000 mWh (10 Wh) during a full charge cycle.

These conversions and examples help illustrate how different quantities of milliwatt-hours compare to gigawatt-hours and provide context for real-world energy usage of various small electronic devices.

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 Gigawatt-hours 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 gigawatt-hours?

A Gigawatt-hour is a unit of energy and its units, GWh, are formed with W for watt and h for hour from SI unit system combined with letter G, metric prefix, for 1,000,000,000 or 10910^9. 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 10910^9 is representing Giga prefix in GWh unit.

1GWh=109∗Pt=109∗IVt=3600∗109∗J=2.247∗1022∗109eV=8.598∗105∗109cal1 GWh = 10^9*Pt = 10^9*IVt = 3600 * 10^9*J = 2.247 * 10^{22} * 10^9 eV = 8.598*10^5 * 10^9 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 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

Energy conversions