# How do you convert joules to watt hours?

The conversion factor for J to Wh is 0.000278: **J x 0.000278 =
Wh**

### What is the equation of converting horsepower to joule?

Horsepower is a unit of power, but joules is a unit of energy. To convert horsepower to joules, you need an additional time parameter. One horsepower is about 745.7 watts. So a horsepower-hour is 745.7 watt-hours. One watt-hour is 3600 joules. A horsepower-hour is then 745.7 times 3600 = 2684520 joules.

### How many watts per hour to equal 1000 btu's?

The energy unit is not watts per hour, but watts times hour, simply called watt-hours. One BTU is equal to about 1055 Joules or Watt-seconds; that is about 0.293 watt-hours. Actually there are different definitions of the BTU. The energy unit is not watts per hour, but watts times hour, simply called watt-hours. One BTU is equal to about 1055 Joules or Watt-seconds; that is about 0.293 watt-hours. Actually there are different definitions of the…

### How many joules equals one horsepower?

OK these are known 1 HorsePower= 746 Watt 1 Watt= 3.413 BTU by multiplying how many watts in an HP (746) by how many BTUs in a watt (3.413) we know 1 HP=2546 BTU there are 1055 Joules in 1BTU so multiply how many joules per 1 BTU (1055) by how many BTU in 1 HP (2546) and you get 2,686,133.4 Joules per 1HP Answer You are comparing apples with oranges. A horsepower is the…

### How much energy does it take to light a 60 watt light bulb for a hour?

It takes 60 watt-hours. Same as lighting a 1-watt bulb for 60 hours; or 60 bulbs of 1 watt each for 1 hour. You get the idea. Notice the units: watt-hours, not watts. Watt is a unit of power, watt-hour is a unit of energy. 1 watt-hour = 0.001 kWh (kilowatt-hour) = 3600 joules = 860 calories = 3.4 BTU.

### How do you convert 1500 killiwat hours to joule?

1 kilowatt = 1,000 watts 1 watt = 1 joule per second 1 hour = 3,600 seconds (1,500 kilowatt-hour) x (1,000 watt / kilowatt) x (1 joule / watt-second) x (3,600 second / hour) = (1,500 x 1,000 x 3,600) x (kilowatt - hour - watt - joule - second) / (kilowatt - watt - second - hour) = 5,400,000,000 joules

### What is the watt hour rating?

The watt-hour (symbolized Wh) is a unit of energy equivalent to one watt (1 W) of power expended for one hour (1 h) of time. The watt-hour is not a standard unit in any formal system, but it is commonly used in electrical applications. An energy expenditure of 1 Wh represents 3600 joules (3.600 x 103 J). To obtain joules when watt-hours are known, multiply by 3.600 x 103. To obtain watt-hours when joules are…

### How many kilocaclories of heat does the operation of a 1190 watt hair dryer produces each second?

Watts means joules per second. The device uses 1190 joules of energy every second; most of that will be converted to heat. It is best to use SI units most of the time; in this case, joules rather than calories for energy. However, if you want to convert that, 1 calorie = 4.184 joules; thus, you can divide the number of joules by 4.184 to convert it to calories.

### How do you convert 30146.4 kilojoules of heat to watts or some comparable energy?

"Joules" is an absolute amount of energy. "Watts" is a rate at which energy is used or moved. 1 watt means 1 joule per second. 1 joule is the amount of energy that moves in 1 second, if the rate (power) is 1 watt. 30,146.4 kilojoules = 30,146,400 joules. If the 'power' (rate of using energy) is 100 watts ... as in a medium incandescent bulb ... then 30,146,400 joules of energy are used in…