Bedtime warmth
Electric blanket running cost calculator
Estimate the cost per night and across a heating season using your blanket's rated power and timer settings.
Your blanket
Calculate a night
Check the care label or manual for rated power. Dual-control blankets may publish a figure for each side.
Thermostats cycle the heat, so actual use can be below the maximum-power estimate.
Low-power heating
Warm the person, not the whole room.
Electric blankets typically use much less power than portable room heaters. The calculator uses rated power continuously, making it a cautious estimate when the thermostat cycles off.
| Illustrative blanket | 8-hour energy | Cost at 24.5p |
|---|---|---|
| 60 W single | 0.48 kWh | 12p |
| 100 W double | 0.80 kWh | 20p |
| 120 W throw | 0.96 kWh | 24p |
Use the timer and heat setting recommended by the manufacturer. Inspect the blanket regularly and stop using it if the cable, controller or fabric is damaged.
Common questions
Electric-blanket answers.
How much does an electric blanket cost to run?
A 60 W blanket used for eight hours consumes at most 0.48 kWh, about 12p at 24.5p per kWh.
Do electric blankets use a lot of electricity?
They generally draw far less power than room heaters, although the total depends on wattage, setting and operating time.
Can an electric blanket stay on all night?
Only if the manufacturer explicitly allows overnight use. Follow the instructions, timer guidance and safety advice supplied with the product.