Electrical Calculator Pro

[Nadia Summerhill]

Usethe calculator below to estimate electricity usage and cost based on the power requirements and usage of appliances. The amount of time and power that each appliance is used varies significantly between households, so for the best results, adjust the usage for each appliance to most accurately reflect your personal usage.

Watts (W) is a unit of power used to quantify the rate of energy transfer. It is defined as 1 joule per second. A kilowatt is a multiple of a watt. One kilowatt (kW) is equal to 1,000 watts. Both watts and kilowatts are SI units of power and are the most common units of power used. Kilowatt-hours (kWh) are a unit of energy. One kilowatt-hour is equal to the energy used to maintain one kilowatt of power for one hour. Generally, when discussing the cost of electricity, we talk in terms of energy. Energy (E) and power (P) are related to each other through time (t):

Electricity is most often measured and paid for based on the number of kilowatt-hours used. The reason that kilowatts-hours are typically used as a measurement of energy rather than watt-hours is simply because of scale: the amount of energy a typical household in the United States uses in a year is on the order of millions of watts, so it is easier to discuss in terms of kilowatt-hours instead.

British thermal units (BTU) are a measurement of heat used as part of the Imperial and US customary units of measurement. It is defined as the amount of heat that is required to increase the temperature of 1 pound of water by 1 degree Fahrenheit. Heat is a type of energy, so BTU can be directly compared to other measurements of energy such as joules (SI unit of energy), calories (metric unit), and kilowatt-hours (kWh).

BTU/h, BTU per hour, is a unit of power that represents the energy transfer rate of BTU per hour. BTU/h is often abbreviated to just BTU to represent the power of appliances. For example, an AC marked with a label of 12,000 BTU actually has a power requirement of 12,000 BTU per hour.

Horsepower (hp) is a unit of power most commonly used to reference the output of engines or motors. There are a number of different definitions of horsepower. Two of them are mechanical horsepower and metric horsepower.

There are many different definitions of a ton that are related to the measurement of weight. In the context of power, the "ton" refers to the ton of refrigeration. The ton of refrigeration is defined as the rate of heat transfer necessary to melt 2,000 pounds (1 short ton) of pure ice at 0C in 24 hours. It is used mainly in the United States to describe how well refrigerators and air conditioners extract heat.

Below is a table that shows the estimated energy requirements of various appliances (these values can vary significantly depending on the appliance). It is important to note that the requirements listed on the packaging of an appliance generally reflect the maximum energy requirements of an appliance. Typical usage of the appliance likely results in far lower energy use than stated, so it cannot be calculated directly as power requirement time.

The following calculators are provided to help you determine the size of generator required for your specific application. Other calculators on this page are for unit conversions and other power related calculations.

OuterVision Power Supply Calculator is the most accurate PC power consumption calculator available and is trusted by computer enthusiasts, PC hardware and power supply manufacturers across the Globe. Are you building a modern gaming PC, low power HTPC media server, or maybe you need to figure out power requirements for a rack in a data center? We've got you covered - OuterVision PSU Calculator will help you to select a suitable power supply unit and even Uninterruptible Power Supply (UPS) for your system. Building cryptocurrency mining rig? Check our Mining Rig Builder tool.

Basic version of the OuterVision Power Supply Calculator allows users to quickly estimate power consumption with minimal selection of PC parts. On the other hand, our Expert, more advanced version of the PSU Calculator greatly extends the ability to select various PC parts and components, adds CPU and Graphics card overclocking, and allows consumers to calculate PC energy consumption, compare PSU efficiencies, and ultimately project energy cost.

What power supply do I need? To answer this question, OuterVision PSU Calculator analyzes dozens of power supplies per each certification category, compares their efficiency, unit price, computer power consumption, overall PC energy cost, and payback period. Based on these analysis, we provide recommendation to our users with the best bang for the buck power supply per each certification category. The user has an option to compare the recommended power supplies, adjust electricity cost to see PC's overall energy cost per year, and select the right power supply that fits their budget.

Select data to convert:There are two options for entering data into this calculator: energy data or emissions data. When you enter energy data, the calculator converts these values into carbon dioxide-equivalent greenhouse gas emissions based on emission factors for energy consumption or electricity reductions. Then, it provides equivalent ways to express those emissions. When you enter emissions data, the calculator provides equivalent ways to express those emissions.

Carbon Dioxide or CO2 Equivalent* Carbon dioxide (CO2) is the primary greenhouse gas emitted through human activities. CO2 is naturally present in the atmosphere as part of the Earth's carbon cycle. The main human activity that emits CO2 is the combustion of fossil fuels (coal, natural gas, and oil) for energy and transportation, although certain industrial processes and land-use changes also emit CO2. Link

Carbon Greenhouse gas emissions may be expressed in terms of a quantity of the gas itself (e.g., 1 ton of methane), an equivalent quantity of carbon dioxide (e.g., 28 tons of CO2 equivalent), or in terms of carbon (e.g., 7.63 tons of carbon). Carbon is often used as the unit of measurement when tracing emissions through the carbon cycle. To convert a quantity of carbon to the equivalent quantity of carbon dioxide, multiply by 3.67.

CH4 - Methane Methane (CH4) is a greenhouse gas emitted during the production and transport of coal, natural gas, and oil, or from the decomposition of organic waste in municipal landfills and the raising of livestock. Methane is also emitted by natural sources such as wetlands. Pound for pound, the impact of CH4 is 28 times greater than CO2 over a 100-year period. Link

Perfluorocarbon gases Fluorinated gases come from human-related activities. They are emitted through their use as substitutes for ozone-depleting substances (e.g., as refrigerants) and through industrial processes such as aluminum and semiconductor manufacturing. In general, fluorinated gases are the most potent and longest lasting type of greenhouse gases emitted by human activities. LinkCF4C2F6C4F10C6F14

SF6 - Sulfur Hexafluoride Fluorinated gases come from human-related activities. They are emitted through their use as substitutes for ozone-depleting substances (e.g., as refrigerants) and through industrial processes such as aluminum and semiconductor manufacturing. In general, fluorinated gases are the most potent and longest lasting type of greenhouse gases emitted by human activities. Link

*If your estimated emissions of methane, nitrous oxide, or other non-CO2 gases are already expressed in CO2 equivalent or carbon equivalent, please enter your figures in the row for CO2 or carbon equivalent.

This rate calculator estimates annual electricity costs for battery electric truck and bus deployments at a given utility meter. For ease of use, the calculator is pre-populated with several utility rate schedules, charging strategies, and charging time periods. The user can select from these or add additional, rate schedules, charging strategies, and charging periods as needed.

The "Rate Calculator" sheet can be used to estimate monthly charging cost for a wide range of daily mileage, fleet size, chargers, and utility rate schedules where the charging period and daily usage is constant each month.

Electrical power is the rate of energy transfer within a circuit. It is measured in watts (W) and is usually denoted by the letter P. The electrical power at any given time is given by the current and voltage of the circuit.

This electrical power calculator helps you compute the power consumed by electrical devices. Do you want to know how to calculate electrical power? Are you wondering: what is the power factor? Just read the text below to find out.

In AC circuits, the current and voltage might not be in phase. The maximum value of the current might be ahead of or lag behind the maximum value of the voltage. This makes the transfer of power less effective. In the worst case, when the current and voltage are entirely out of sync, the transmitted power is zero.

The power factor tells us how synchronized the current is with the voltage. If they're in sync, the power factor is 1. Otherwise, it is less than one, reaching zero in the completely out-of-sync case.

The power factor depends on the device. For a device that is purely resistive, like an electric kettle or an electric heater, the power factor is 1. A device with inductive or capacitive elements puts the current and voltage out of the phase. This makes its power factor less than 1. Check out the power factor calculator to learn more.

To compute the electrical power, you have to specify the current, voltage, and power factor of the item. For devices connected to electrical outlets, the voltage is just the voltage of the domestic power. The current drawn by the device can usually be found either marked on a plug or somewhere on the device.

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