Appliance running cost calculator
Work out electricity costs for a dehumidifier, air fryer or air purifier using watts, hours and your own tariff.
Use calculator →A better fit. Fewer surprises.
Practical answers and calculators to help you choose the right product for your home and routine.
Work out the numbers
Air purifier room size and CADR calculator
Calculate room volume and the clean air delivery rate for your chosen air-change target. Compare m³/h without confusing floor area with performance.
Use calculator →Power bank mAh to Wh calculator
Convert battery capacity to watt-hours and estimate delivered energy using an explicit efficiency assumption.
Use calculator →Make the right choice
Compressor vs desiccant dehumidifiers
Choose a dehumidifier for the temperature of your room, then compare extraction conditions, noise and running costs.
Read the guide →Single vs dual drawer air fryers
Decide whether two drawers suit your meals, and compare usable basket space rather than total litres alone.
Read the guide →Robot vacuum vs cordless vacuum
Compare daily floor upkeep with stairs, upholstery and spot cleaning, including the maintenance a robot dock still needs.
Read the guide →Why earbud fit changes sound and noise cancelling
Understand ear-tip seal, sound, ANC and microphone trade-offs before choosing wireless earbuds.
Read the guide →Portable air conditioner window setup
Check the exhaust hose, window kit, room layout and drainage before comparing portable air conditioner capacity.
Read the guide →