Temperature Interval Converter. Thermal Expansion Converter. Thermal Resistance Converter. Thermal Conductivity Converter. Specific Heat Capacity Converter. Heat Density Converter. Heat Flux Density Converter. Heat Transfer Coefficient Converter. Flow Converter. Flow - Mass Converter. Flow - Molar Converter. Mass Flux Density Converter. Concentration - Molar Converter. Concentration - Solution Converter. Viscosity - Dynamic Converter. Viscosity - Kinematic Converter.
Surface Tension Converter. Permeability Converter. Luminance Converter. Luminous Intensity Converter. Illumination Converter. Digital Image Resolution Converter. Frequency Wavelength Converter.
Charge Converter. Linear Charge Density Converter. Surface Charge Density Converter. Volume Charge Density Converter. Current Converter. Linear Current Density Converter. Surface Current Density Converter. Electric Field Strength Converter. Electric Potential Converter. Electric Resistance Converter. Electric Resistivity Converter. Electric Conductance Converter. Please provide values below to convert watt [W] to kilowatt [kW], or vice versa.
It is defined as 1 joule per second and is used to quantify the rate of energy transfer. It was first proposed in by William Siemens who defined it as "the power conveyed by a current of an Ampere through the difference of potential of a Volt. In , the "international" definitions were defined, with Siemens' definition being adopted as the international watt. These were used until when the General Conference on Weights and Measures re-defined the watt to absolute units, using only mass, time, and length.
This factor includes other green house gasses such as methane and nitrous oxide which are converted to their carbon dioxide equivalents so the value is really kg CO2 eq. Did you find this page helpful? Send Feedback.
We now are able to give a live estimate of CO2 emissions due to electricity production in the UK and the corresponding kg of CO2 per kWh. Live UK Generarion The estimate is based on a live feed from the National Grid breakdown of current generation sources. This data is from and supplied by The European Environment Agency.
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