Kelvin/watt to Degree Fahrenheit Hour/Btu (th) Conversion Table
| Kelvin/watt [K/W] | Degree Fahrenheit Hour/Btu (th) |
|---|
| 20 K/W | 10.5435026449 degree Fahrenheit hour/Btu (th) |
| 50 K/W | 26.3587566122 degree Fahrenheit hour/Btu (th) |
| 100 K/W | 52.7175132244 degree Fahrenheit hour/Btu (th) |
| 1000 K/W | 527.1751322445 degree Fahrenheit hour/Btu (th) |
In general, the power required by electrical heating is calculated in watts. Wattage: Multiply the area in feet by 10. For a room 20 feet by 20 feet, we obtain 400 sq. ft., multiplied by 10 to give 4000 watts.
As a rule of thumb, you'll need roughly 10 watts of heating power for every square foot of floor area in the room. This means that a 1,500-watt heater can be the primary heat source for an area measuring up to 150 square feet.
Yes, it's true that the higher the power (watts), the louder and cleaner the speakers will play. Small differences in power, however, don't make much of an audible change. In order to perceptively hear a difference (a 3dB increase), the power would have to double.
Amps kill, volts is what gets it there. HOWEVER most sources of high voltage also are capable of producing deadly amperage, and only a very small amount of amperage is required to do significant damage or death. So if you had to pick one, high voltage is more dangerous than high amperage.
From other side high power irons consume a significant amount of electric power. For an average family I can recommend the purchase of iron with wattage 1800-2200 watts of power.
Selecting Heater Size
In a living room you will need 100 watts per m²: 1,000 watts (1kw) per 10m². In a bedroom you probably only need 75 watts per m²: 750 watts per 10m². You need to find out the area in square metres of your room.The higher the wattage, the brighter the light, but also the more power it uses. The efficiency of this system was introduced using incandescent lamps. For instance: 40 Watt incandescent lamp produces only 380-460 lumens and uses 40 Watts of energy per hour.
We love the 1800 watts of power, which heats up to 450º F in a flash. You could be braising, roasting, frying, stir frying or boiling in just seconds! Key Features: 1800 watts.
To create a
Celsius heat units (IT) per minute to
watts conversion table for different values, click on the "Create a customized power
conversion table" button.
Celsius heat units (IT) per minute to watts conversion table.
| Celsius heat units (IT) per minute ( CHU/min ) | watts ( W ) |
|---|
| 110 | 3481.684316 |
| 120 | 3798.201072 |
Watts and amps conversion charts
| Power | Voltage | Current |
|---|
| 5 watts | 12 volts | 0.4167 amps |
| 10 watts | 12 volts | 0.8333 amps |
| 15 watts | 12 volts | 1.25 amps |
| 20 watts | 12 volts | 1.6667 amps |
How much electricity does my television use? Most TV's use about 80 to 400 watts, depending on the size and technology. Using a sample cost of 15¢ per kilowatt-hour and five hours of viewing a day, that's $1.83 to $9.13/mo.
To determine the wattage, use a simple multiplication formula. The ampere (or amps) is the amount of electricity used. Voltage measures the force or pressure of the electricity. The number of watts is equal to amps multiplied by volts.
Peak and Running Watts
| Description | Starting Watts | Running Watts |
|---|
| Household Appliances | |
| Refrigerator | 3000 | 1200 |
| Microwave | 1500-2400 | 750-1200 |
| Room Air Conditioner | 3000 | 2000 |
A kilowatt-hour is 1,000 watts used for one hour. As an example, a 100-watt light bulb operating for ten hours would use one kilowatt-hour. Below are some examples of electrical appliances found in most homes. These examples are using a 10 cents per kWh rate.
Here's a quick rundown of electricity usage for a medium-sized TV, averaged from a myriad of sources across the internet: 32” LED: 30 – 55 watts. 32” LCD: 50 – 70 watts.
Find the voltage and amperage of the refrigerator; for instance, you may see "115 V" and "6.5 amps." Multiplying these two numbers tells you how many watts your refrigerator uses -- in this case, 747.5 watts. Smaller refrigerators typically use about 350 watts, while larger models use as much as 780 watts.
The basic unit of electricity is the Kilowatt hour (kWh). In simple terms, 1 kWh is the amount of energy used by a 1kW (1000 watt) electric heater for 1 hour. Another example is ten 100-watt light bulbs used for 1 hour.
Typical Wattages of Appliances
- Aquarium = 50–1210 Watts.
- Clock radio = 10 Watts.
- Coffee maker = 900–1200 Watts.
- Clothes washer = 350–500 Watts.
- Clothes dryer = 1800–5000 Watts.
- Dishwasher = 1200–2400 Watts(using the drying feature greatly increases energy consumption)
- Dehumidifier = 785 Watts.
- Electric blanket- Single/Double = 60 / 100 Watts.
Energy/Electricity and its units
A unit (as mentioned on the electricity bills) is represented in kWH or Kilowatt Hour. This is the actual electricity or energy used. If you use 1000 Watts or 1 Kilowatt of power for 1 hour then you consume 1 unit or 1 Kilowatt-Hour (kWH) of electricity.This means for each hour the space heater is running it consumes 1.5 kWh of electricity, which costs about 16 cents. But running that heater nonstop is a surefire way to increase your electric bill. If you ran one 1,500 watt space heater for 24-hours a day for a single month it would cost about $118.
Most Energy Efficient Space Heaters Comparison Chart
| PRODUCT | PRICE | WATTS |
|---|
| Duraflame Maxwell Electric Stove with Heater | $$$$ | 1500 |
| DeLonghi Mica Panel Heater | $$ | 1500 |
| Dr. Infrared Heater Portable Space Heater | $$$$ | 1500 |
| Lasko 751320 Ceramic Tower Heater with Remote Control | $ | 1500 |
If a portable electric heater is definitely what you need, halogen heaters and oil-fired radiators are the cheapest to run, while bar fires and fan heaters are more expensive. The higher an appliance's power rating in watts, the more it will cost to run.
Appliance Electricity Usage
| Appliance | Typical Consumption Per Hour | Cost Per Hour (at 10 cents per kilowatt-hour) |
|---|
| Electric range burner | 1,000 watts | 10 cents |
| Refrigerator | 1,000 watts | 10 cents |
| Desktop computer and monitor | 400 watts | 4 cents |
| Incandescent light bulb | 60 watts | 0.6 cents |
My ceramic space heater uses 1500 watts and costs me about 18 cents an hour to use, at 12 cents per kWh. I probably use it about 8 hours a day, which makes it $1.44 a day. If you do not turn the thermostat down and add more heat with the electric space heater, you will increase your total bill."
Even if you're not running your space heater on full, the costs are going to be high. 600 watts: About $60 per month. 750 watts: About $75 per month.
Though you have to keep in mind that like all space heaters, the Dyson uses a lot of electricity. Using a Kill-a-watt, I measured the stable power usage at 1300W, so if you're looking to save on your electric bill, you shouldn't have this on all the time.
Grow Light Operating Cost
| 1000 watt Sodium | 600 watt Sodium |
|---|
| Ballast Wattage | 1100 | 665 |
| Cost per Month | $52.80 | $31.92 |
| Initial Lumens | 130000 | 89000 |
| Mean Lumens | 126000 | 81000 |
