How much does it cost to run a slow cooker?
A slow cooker typically draws about 250 W. At the current Ofgem price-cap electricity rate of 26.11p/kWh (1 July to 30 September 2026), a typical 8-hour use costs about 52.2p, and one hour costs roughly 6.5p.
Slow cooker running cost: ~0.25 kWh per hour β 6.5p/hour. A typical 8-hour use β 52.2p at 26.11p/kWh.
Slow cooker running-cost calculator
A slow cooker draws about 250 W. Set how long you run it and we apply the current Ofgem electricity unit rate of 26.11p/kWh.
Cost to run for 8 hours
52.2p
Uses 2.00 kWh at 26.11p/kWh.
- Per day
- 52.2p
- Per week
- Β£3.66
- Per year
- Β£190.60
Per-day/week/year figures assume one 8-hour run each day. Wattage is typical/indicative β your model may differ.
How the cost is worked out
- Wattage: a slow cooker draws about 250 W.
- Convert to kW: 250 Γ· 1,000 = 0.25 kW.
- Multiply by hours: 0.25 kW Γ 8 h = 2.00 kWh.
- Multiply by the unit rate: 2.00 kWh Γ 26.11p β 52.2p.
Frequently asked questions
How much does it cost to run a slow cooker?
A slow cooker draws about 250 W. At the Ofgem cap rate of 26.11p/kWh (1 July to 30 September 2026), a typical 8-hour use costs roughly 52.2p, and one hour costs about 6.5p.
How much electricity does a slow cooker use per hour?
At 250 W, a slow cooker uses about 0.25 kWh per hour, which is roughly 6.5p at the current cap rate.
Running costs for other appliances
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Wattage (250 W) is typical/indicative β your model may differ. Source: Energy Saving Trust / common UK indicative rating. 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.