How much does it cost to run a electric blanket?
A electric blanket typically draws about 150 W. At the current Ofgem price-cap electricity rate of 26.11p/kWh (1 July to 30 September 2026), a typical 1-hour use costs about 3.9p, and one hour costs roughly 3.9p.
Electric blanket running cost: ~0.15 kWh per hour β 3.9p/hour. A typical 1-hour use β 3.9p at 26.11p/kWh.
Electric blanket running-cost calculator
A electric blanket draws about 150 W. Set how long you run it and we apply the current Ofgem electricity unit rate of 26.11p/kWh.
Cost to run for 1 hour
3.9p
Uses 0.15 kWh at 26.11p/kWh.
- Per day
- 3.9p
- Per week
- 27.4p
- Per year
- Β£14.30
Per-day/week/year figures assume one 1-hour run each day. Wattage is typical/indicative β your model may differ.
How the cost is worked out
- Wattage: a electric blanket draws about 150 W.
- Convert to kW: 150 Γ· 1,000 = 0.15 kW.
- Multiply by hours: 0.15 kW Γ 1 h = 0.15 kWh.
- Multiply by the unit rate: 0.15 kWh Γ 26.11p β 3.9p.
Frequently asked questions
How much does it cost to run a electric blanket?
A electric blanket draws about 150 W. At the Ofgem cap rate of 26.11p/kWh (1 July to 30 September 2026), a typical 1-hour use costs roughly 3.9p, and one hour costs about 3.9p.
How much electricity does a electric blanket use per hour?
At 150 W, a electric blanket uses about 0.15 kWh per hour, which is roughly 3.9p at the current cap rate.
Running costs for other appliances
Cut your home running costs
Honest UK energy and home-service cost guides, plus how-to-hire tips. No spam.
No spam. Unsubscribe anytime. A Gera Services product.
Wattage (150 W) is typical/indicative β your model may differ. Source: Heatable β How much energy do appliances use (typical ratings; draws on Energy Saving Trust / Centre for Sustainable Energy). Electricity unit rate from Ofgem β Energy price cap unit rates and standing charges (cap period 1 July to 30 September 2026, fetched 2026-06-18). Ofgem figures Β© Ofgem, Open Government Licence v3.0. Appliance wattages are typical/indicative, not measured. Ofgem.