We estimate that a Vacuum Cleaner uses 500 - 3000 watts, with 1400 watts being average for a vacuum.
With the average cost of electricity being £0.19 per KWH and the router being on for 30 minutes a day we arrive at the following calculations:
Cost Per Hour: £0.2660
Cost Per Day: £0.1330
Cost Per Month: £4.05
Cost Per Year: £48.55
kWh Per Day: 0.70
Tip: Energy efficient vacuums with lower power consumption are becoming more standard, they typically use 600 to 800 watts. If you want to reduce the cost of vacuuming buying an energy efficient model may save you energy over several years, especially if you vacuum often.