WattCostCalc

Bathroom Space Heater vs King-size Electric Blanket: Which Costs Less to Run?

Using typical wattage and daily use, a king-size electric blanket costs about $3.78 per month, compared with $7.88 for a bathroom space heater. That is a gap of $4.10 a month at $0.175/kWh.

Side by side

Bathroom Space HeaterKing-size Electric Blanket
Power1,500 W200 W
Hours per day16
Cost per hour$0.263$0.021
Cost per day$0.263$0.126
Cost per week$1.84$0.882
Cost per month$7.88$3.78
Cost per year$95.81$45.99
Energy per year548 kWh263 kWh

Based on $0.175 per kWh (US average).

Which should you choose?

These two appliances do different jobs, so the cheaper one is not automatically the better choice. The figures use typical wattage, typical daily hours and the share of time each runs at full power.

Want your own numbers? Open either calculator and enter your hours and rate: Bathroom Space Heater or King-size Electric Blanket.

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