Watt Hours To Watt Seconds Conversion


1 Wh = 3,600 Ws

Want to convert from watt seconds to watt hours instead?

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How to convert watt hours to watt seconds (Wh to Ws)

The formula for converting watt hours to watt seconds is: Ws = Wh × 3600. To calculate the watt hour value in watt seconds first substitute the watt hour value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 watt hour in watt seconds we follow these steps:

Ws = Wh × 3600

Ws = 1 × 3600

Ws = 3600

In other words, 1 watt hour is equal to 3600 watt seconds.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 2 watt hours to watt seconds is:

  1. Understand the conversion formula: Ws = Wh × 3600
  2. Substitute the required value. In this case we substitute 2 for Wh so the formula becomes: Ws = 2 × 3600
  3. Calculate the result using the provided values. In our example the result is: 2 × 3600 = 7200 Ws

In summary, 2 watt hours is equal to 7200 watt seconds.

Converting watt seconds to watt hours

In order to convert the other way around i.e. watt seconds to watt hours, you would use the following formula: Wh = Ws × 0.0002777778. To convert watt seconds to watt hours first substitute the watt second value into the above formula, and then execute the calculation. If we wanted to calculate 1 watt second in watt hours we follow these steps:

Wh = Ws × 0.0002777778

Wh = 1 × 0.0002777778

Wh = 0.0002777778

Or in other words, 1 watt second is equal to 0.0002777778 watt hours.

Conversion Unit Definitions

What is a Watt Hour?

A watt-hour (Wh) is a unit of energy commonly used in the context of electricity consumption and production. It represents the amount of energy consumed or produced by a one-watt electrical device operating for one hour.
Mathematically, 1 watt-hour is equal to the energy used by a one-watt device over a period of one hour. It can also be expressed as: 1 Wh = 1 watt × 1 hour.
Watt-hours are used to measure the total energy usage of appliances, buildings, or entire power grids over a specific period of time. For example, if a 100-watt light bulb is turned on for 10 hours, it consumes 1,000 watt-hours or 1 kilowatt-hour (kWh) of electricity (since 1 kWh = 1,000 Wh).
Watt-hours are widely used by utility companies to measure and bill for electricity consumption by households and businesses.

What is a Watt Second?

A watt-second (Ws), also known as a joule (J), is a unit of energy in the International System of Units (SI). It represents one watt of power expended for one second. Mathematically, it can be defined as: 1 watt-second (Ws) = 1 watt (W) × 1second (s) = 1 joule (J).
Watt-seconds are used to measure the energy consumed or produced by electronic devices or electrical systems in a very short amount of time. For example, the energy released by a camera flash, the energy stored in capacitors, or the energy consumed by a small electronic circuit during its operation can be measured in watt-seconds.
In practical terms, a watt-second is a relatively small unit of energy. To provide some context, 1 watt-second is equivalent to the energy required to power a 1-watt device for 1 second.

Watt Hours To Watt Seconds Conversion Table

Below is a lookup table showing common watt hours to watt seconds conversion values.

Watt Hour (Wh)Watt Second (Ws)
1 Wh3600 Ws
2 Wh7200 Ws
3 Wh10800 Ws
4 Wh14400 Ws
5 Wh18000 Ws
6 Wh21600 Ws
7 Wh25200 Ws
8 Wh28800 Ws
9 Wh32400 Ws
10 Wh36000 Ws
11 Wh39600 Ws
12 Wh43200 Ws
13 Wh46800 Ws

Other Common Watt Hour Conversions

Below is a table of common conversions from watt hours to other energy units.

1 watt hour in joules3600 J
1 watt hour in kilojoules3.6 kJ
1 watt hour in megajoules0.0036 MJ
1 watt hour in calories859.84522785899 cal
1 watt hour in kilowatt hours0.001 kWh
1 watt hour in megawatt hours0.000001 MWh
1 watt hour in btus3.4144259497 Btu
1 watt hour in therms0.000034144259497 thm