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Watt-minutes to Gigajoules conversion

Watt-minutes to Gigajoules conversion table

Watt-minutes (Wm)Gigajoules (GJ)
00
16e-8
21.2e-7
31.8e-7
42.4e-7
53e-7
63.6e-7
74.2e-7
84.8e-7
95.4e-7
106e-7
200.0000012
300.0000018
400.0000024
500.000003
600.0000036
700.0000042
800.0000048
900.0000054
1000.000006
10000.00006

How to convert watt-minutes to gigajoules?

Let's break down the conversion from Watt-minutes to Gigajoules step by step.

Conversion Process

  1. Understand the Units:

    • Watt-minute (W·min) is a unit of energy.
    • 1 W·min = 1 Watt of power operating for 1 minute.
    • Joule (J) is the SI unit of energy.
    • 1 Watt = 1 Joule/second.
    • Gigajoule (GJ) is 1,000,000,000 Joules.

  2. Convert Minutes to Seconds:

    • There are 60 seconds in 1 minute.
    • Therefore, 1 W·min = 1 Watt × 60 seconds = 60 Joules.

  3. Convert Joules to Gigajoules:

    • To convert Joules to Gigajoules, divide by 1,000,000,000 (since 1 GJ = 1,000,000,000 J).
    • 60 Joules = 60 / 1,000,000,000 = 0.000000060 GJ or 6 × 10^-8 GJ.

So, 1 Watt-minute is 6 × 10^-8 Gigajoules.

Real-World Examples

  1. Light Bulb:

    • A 60 Watt light bulb running for 10 minutes:
      • Energy = 60 Watts × 10 minutes = 600 W·min.
      • In Joules, that's 600 × 60 = 36,000 J.
      • In Gigajoules, that's 36,000 / 1,000,000,000 = 0.000036 GJ.

  2. Electric Kettle:

    • A 1,500 Watt electric kettle boiling water for 5 minutes:
      • Energy = 1,500 Watts × 5 minutes = 7,500 W·min.
      • In Joules, that's 7,500 × 60 = 450,000 J.
      • In Gigajoules, that's 450,000 / 1,000,000,000 = 0.00045 GJ.

  3. Laptop Charger:

    • A 45 Watt laptop charger used for 2 hours (120 minutes):
      • Energy = 45 Watts × 120 minutes = 5,400 W·min.
      • In Joules, that's 5,400 × 60 = 324,000 J.
      • In Gigajoules, that's 324,000 / 1,000,000,000 = 0.000324 GJ.

  4. Electric Car:

    • A 10 kW (10,000 Watt) electric car charging for 30 minutes:
      • Energy = 10,000 Watts × 30 minutes = 300,000 W·min.
      • In Joules, that's 300,000 × 60 = 18,000,000 J.
      • In Gigajoules, that's 18,000,000 / 1,000,000,000 = 0.018 GJ.

These examples offer a practical context for understanding the scale of Watt-minutes and their conversion to Gigajoules, covering common household and technological applications.

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 Gigajoules to other unit conversions.

What is watt-minutes?

A great question about a useful unit of energy measurement!

Watt-minutes, also known as Watt-hours (Wh) or kilowatt-hours (kWh), is a unit of energy that measures the amount of electrical energy used or produced.

One watt-minute is equivalent to one joule (J) of energy. Since there are 60 minutes in an hour, one Wh (or kwh) is equal to:

  • 1 Wh = 3.6 kilojoules (kJ)
  • 1 kWh = 3,600 kiljoules (kJ)

Watt-minutes is a convenient unit for measuring energy consumption or production over time, especially in the context of electricity usage. For example, if you want to know how much electricity your household used over the course of an hour, the watt-minute measurement would be a useful way to express that value.

In everyday life, watt-minutes are commonly used by:

  • Utilities and energy providers to measure customer consumption
  • Electric vehicles (EVs) to estimate range or charge time based on available battery capacity
  • Appliances and devices to display their power consumption ratings

I hope this helps you understand the concept of watt-minutes!

What is gigajoules?

A gigajoule (GJ) is a unit of energy, specifically a large unit of measurement for electrical and thermal energy.

One gigajoule is equal to one billion joules. To put that in perspective:

  • 1 joule is the amount of energy required to lift an object weighing about 2 pounds up 3 feet.
  • 1 megajoule (MJ) is equal to 1 million joules, which is a significant amount of energy but still relatively small compared to what we use on a daily basis.
  • 1 gigajoule (GJ), on the other hand, is equivalent to:
    • About 277.8 kilowatt-hours (kWh) or 0.2778 megawatt-hours (MWh).
    • The energy produced by burning about 200 kilograms (440 pounds) of gasoline.
    • Enough electricity to power a typical household for about 24 hours.

Gigajoules are often used in the context of:

  • Energy production and consumption (e.g., electrical power plants, oil refineries)
  • Thermal energy storage (e.g., large-scale heat pumps, industrial processes)
  • Renewable energy sources (e.g., solar panels, wind turbines)

I hope that helps you understand gigajoules better!

Complete Watt-minutes conversion table

Enter # of Watt-minutes
Convert 1 Wm to other unitsResult
Watt-minutes to Watt-seconds (Wm to Ws)60
Watt-minutes to Watt-hours (Wm to Wh)0.01666666666667
Watt-minutes to Milliwatt-hours (Wm to mWh)16.666666666667
Watt-minutes to Kilowatt-hours (Wm to kWh)0.00001666666666667
Watt-minutes to Megawatt-hours (Wm to MWh)1.6666666666667e-8
Watt-minutes to Gigawatt-hours (Wm to GWh)1.6666666666667e-11
Watt-minutes to Joules (Wm to J)60
Watt-minutes to Kilojoules (Wm to kJ)0.06
Watt-minutes to Megajoules (Wm to MJ)0.00006
Watt-minutes to Gigajoules (Wm to GJ)6e-8
Watt-minutes to calories (Wm to cal)14.34034416826
Watt-minutes to Kilocalories (Wm to kcal)0.01434034416826

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