kWh Usage Calculator UK 2026 | Electricity Cost Calculator
kWh Usage Calculator 2026
Calculate electricity consumption in kWh for any appliance. Convert watts to kWh, estimate costs, and discover how much your devices really cost to run.
⚡ Current UK Electricity Price: 27.69p/kWh
Energy price cap January-March 2026: 27.69p per kWh plus 54.75p daily standing charge. Use calculator below to find exact running costs for your appliances based on current rates. Average UK home uses 2,700 kWh/year costing £1,717 annually.
27.69p
Price per kWh (Jan-Mar 2026)
2,700
Average UK Home kWh/Year
£1,717
Average Annual Bill
1000W
= 1 kWh in 1 Hour
⚡ kWh & Cost Calculator
Calculate electricity usage and cost for any appliance:
Kettle3000W
Oven2500W
Washing2000W
Dryer2500W
Dishwasher1200W
Fridge150W
TV100W
Laptop75W
LED Bulb10W
Heater1500W
Find on appliance label or manual. 1000W = 1kW.
Average daily usage hours. Can use decimals (e.g., 0.5 = 30 mins).
How many days per week is appliance used?
Current price cap: 27.69p/kWh. Adjust if on different tariff.
