Increase your home efficiency, reduce your carbon footprint and save money

The first step towards reducing our electricity consumption is to increase our knowledge and awarenessof the amount of electricity we are consuming.

For that, there is not better way to increase our awareness than calculating how much electricity we are using and how much money our electricity consumption is costing us.

Before going ahead, we really recommend to first have a look to the Effiworkx YouTube channel videos. On those videos we explain concepts that will be of your interest.

Standby power consumption

What a Kilowatt Hour (kWh) is

Plug-in power meter

This calculator can be used to:

**– Convert Watts (W) to Kilowatt Hours (kWh)**

kWh is the unit of measure used by the electricity suppliers to calculate our electricity bills. Also, most of the big appliances, like the dishwashers or washing machines, rate their consumption in kWh.

This calculator can be used to:

**– Calculate Power (P) based on Voltage (V) and Current (I).**

This calculator can be used to:

**– Calculate Voltage (V) based on Power (P) and Current (I).**

This calculator can be used to:

**– Calculate Current (I) based on Power (P) and Voltage (V).**

This calculator can be used to:

**– Calculate the electricity cost based on power consumption (Watts) and time (minutes per day).**

For example, if a television has a power consumption of 50 Watts and we watch the television two hours per day, we can calculate the electricity cost if we know how much we are paying per kWh.

This calculator can be used to:

– **Calculate the bulb(s) power cost consumption over time**

– **Calculate the savings from replacing incandescent for CFL or LED bulbs**

This bulb wattage comparison table can be used as reference for the ‘Power rating’ field on the table:

Incandescent | CFL | LED |
---|---|---|

40 W | 8-12 W | 4-5 W |

60 W | 13-18 W | 6-8 W |

75 W | 18-22 W | 9-13 W |

100 W | 23-30 W | 16-20 W |

This calculator can be used to:

– **Calculate a device power consumption**. E.g. desktop printer, computer monitor, router, television,…

This calculator can be used to:

– **Calculate a device power consumption while in standby mode**.

E.g. desktop printer, computer monitor, charger,…

Note that a device power consumption in standby mode it is most probably much lower than during normal operation. Therefore, in order to calculate the standby mode power consumption of a device over time, it is necessary to **find out the instantaneous power consumption while in standby mode**.

This calculator can be used to:

**– Calculate how much electricity and money can be saved if we reduce the electricity consumption by X%.**

**– Calculate how much electricity and money can be saved if we reduce the heating consumption by X%.**

As an example, tumble dryer balls claim to reduce the drying time by 20%. That means potential savings of 20% on the tumble dryer cycle cost of 20%.

A 20% electricity consumption per cycle may not translate in big saving over short periods of time but it may represent significant saving over a longer period.

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Click on an icon and continue your home efficiency journey

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