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Watt-seconds to Joules conversion

Watt-seconds to Joules conversion table

Watt-seconds (Ws)	Joules (J)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
20	20
30	30
40	40
50	50
60	60
70	70
80	80
90	90
100	100
1000	1000

How to convert watt-seconds to joules?

Watt-seconds (Ws) and Joules (J) are both units of energy. The conversion between these two units is straightforward.

1 Watt-second is equivalent to 1 Joule. The relationship comes from the definitions:

1 Watt (W) is defined as 1 Joule per second (J/s).
Therefore, when you multiply power in Watts by time in seconds, you get energy in Joules.

So, 1 Ws = 1 J.

Real-World Examples of Watt-Seconds (or Joules)

It's often helpful to understand these concepts in the context of real-world applications. Here are a few examples:

1. Flash Photography

A typical camera flash might use around 10 to 50 Watt-seconds (10 to 50 Joules) of energy per flash.

2. Household Electricity

A standard LED light bulb might use 10 Watts of power. If it's on for 1 second, it uses 10 Watt-seconds (or 10 Joules) of energy.
If a 100-Watt light bulb is turned on for 1 second, it consumes 100 Watt-seconds (or 100 Joules) of energy.

3. Electrical Appliances

A microwave oven often uses around 1000 Watts (1 kilowatt). If it's on for 1 second, it uses 1000 Watt-seconds (or 1000 Joules) of energy.
A smartphone charging for 1 second at 5 Watts uses 5 Watt-seconds (or 5 Joules) of energy.

4. Human Activities

The energy expenditure of a human performing activities can also be measured in Joules. For example, a person might burn 500,000 Joules (or 500 kJ) in an hour of exercise. In Watt-seconds, that's equivalent to 500,000 Ws.

Understanding these conversions and examples helps to contextualize energy consumption and efficiency in everyday life.

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 Joules to other unit conversions.

What is watt-seconds?

Watt-seconds, also known as joules (J), is a unit of energy. It represents the amount of energy expended or work done when 1 watt (a unit of power) is applied for 1 second.

In essence, it measures how much "oomph" or "energy punch" is delivered in that one-second period. Think of it as a way to quantify the total energy transferred by a source (like a light bulb) over a short duration.

What is Joules?

Joules measures energy. It is part of SI units system. Symbol for inches is $J$ .

A Joule is commonly defined as amount of work done when a force of 1 newton displaces a mass through a distance of 1 metre in the direction of the force applied.

1\ J = 1\ kg*m^2/s^{2} = 1\ N*m

1\ J = 1\ Pa*m^3 = 1\ W*s = 1\ C*V

Where $J$ - joule
$kg$ - kilogram
$m$ - metre
$s$ - second
$N$ - newton
$Pa$ - pascal
$W$ - watt
$C$ - coulomb
$V$ - volt

Wiki page for Joules

Complete Watt-seconds conversion table

Enter # of Watt-seconds

Convert 1 Ws to other units	Result
Watt-seconds to Watt-minutes (Ws to Wm)	0.01666666666667
Watt-seconds to Watt-hours (Ws to Wh)	0.0002777777777778
Watt-seconds to Milliwatt-hours (Ws to mWh)	0.2777777777778
Watt-seconds to Kilowatt-hours (Ws to kWh)	2.7777777777778e-7
Watt-seconds to Megawatt-hours (Ws to MWh)	2.7777777777778e-10
Watt-seconds to Gigawatt-hours (Ws to GWh)	2.7777777777778e-13
Watt-seconds to Joules (Ws to J)	1
Watt-seconds to Kilojoules (Ws to kJ)	0.001
Watt-seconds to Megajoules (Ws to MJ)	0.000001
Watt-seconds to Gigajoules (Ws to GJ)	1e-9
Watt-seconds to calories (Ws to cal)	0.2390057361377
Watt-seconds to Kilocalories (Ws to kcal)	0.0002390057361377

Watt-seconds to Joules conversion